International Economics: Theory & Policy 9th Edition PDF

International Economics Theory & Policy The Pearson Series in Economics Abel/Bernanke/Croushore Chapman Heilbroner/Milberg Macroeconomics* Environmental Economics: The Making of the Economic Bade/Parkin Theory, Application, and Policy Society Foundations of Economics* Cooter/Ulen Heyne/Boettke/Prychitko Berck/Helfand Law & Economics The Economic Way The Economics of the Downs of Thinking Environment An Economic Theory of Hoffman/Averett Bierman/Fernandez Democracy Women and the Economy: Game Theory with Economic Ehrenberg/Smith Family, Work, and Pay Applications Modern Labor Economics Holt Blanchard Ekelund/Ressler/Tollison Markets, Games and Strategic Macroeconomics* Economics* Behavior Blau/Ferber/Winkler Farnham Hubbard/O’Brien The Economics of Women, Men Economics for Managers Economics* and Work Folland/Goodman/Stano Money, Banking, and the Boardman/Greenberg/Vining/ The Economics of Health and Financial System* Weimer Health Care Hughes/Cain Cost-Beneﬁt Analysis American Economic Fort Boyer Sports Economics History Principles of Transportation Husted/Melvin Economics Froyen Macroeconomics International Economics Branson Jehle/Reny Macroeconomic Theory and Fusfeld The Age of the Economist Advanced Microeconomic Policy Theory Brock/Adams Gerber International Economics* Johnson-Lans The Structure of American A Health Economics Industry Gordon Primer Bruce Macroeconomics* Public Finance and the Greene Keat/Young American Economy Econometric Analysis Managerial Economics Carlton/Perloff Gregory Klein Modern Industrial Essentials of Economics Mathematical Methods for Organization Economics Gregory/Stuart Case/Fair/Oster Russian and Soviet Economic Krugman/Obstfeld/Melitz Principles of Economics* Performance and Structure International Economics: Theory & Policy* Caves/Frankel/Jones Hartwick/Olewiler World Trade and Payments: An The Economics of Natural Laidler Introduction Resource Use The Demand for Money *denotes titles Log onto www.myeconlab.com to learn more Leeds/von Allmen O’Sullivan/Sheffrin/Perez Sawyer/Sprinkle The Economics of Sports Economics: Principles, International Economics Leeds/von Allmen/Schiming Applications and Tools* Scherer Economics* Parkin Industry Structure, Strategy, and Lipsey/Ragan/Storer Economics* Public Policy Economics* Perloff Schiller Lynn Microeconomics* The Economics of Poverty and Economic Development: Microeconomics: Theory Discrimination Theory and Practice for and Applications with a Divided World Sherman Calculus* Market Regulation Miller Perman/Common/ Silberberg Economics Today* McGilvray/Ma Principles of Microeconomics Understanding Modern Natural Resources and Economics Environmental Economics Stock/Watson Miller/Benjamin Introduction to Econometrics Phelps The Economics of Macro Health Economics Introduction to Econometrics, Issues Brief Edition Pindyck/Rubinfeld Miller/Benjamin/North Studenmund Microeconomics* The Economics of Public Using Econometrics: Issues Riddell/Shackelford/Stamos/ A Practical Guide Mills/Hamilton Schneider Urban Economics Economics: A Tool for Tietenberg/Lewis Critically Understanding Environmental and Natural Mishkin Society Resource Economics The Economics of Money, Banking, and Financial Ritter/Silber/Udell Environmental Economics and Markets* Principles of Money, Banking & Policy Financial Markets* Todaro/Smith The Economics of Money, Banking, and Financial Roberts Economic Development Markets, Business School The Choice: A Fable of Free Trade and Protection Waldman Edition* Microeconomics Macroeconomics: Policy and Rohlf Practice* Introduction to Economic Waldman/Jensen Reasoning Industrial Organization: Murray Theory and Practice Econometrics: A Modern Rufﬁn/Gregory Introduction Principles of Economics Weil Nafziger Sargent Economic Growth The Economics of Developing Rational Expectations and Williamson Countries Inﬂation Macroeconomics This page intentionally left blank International Economics Theory & Policy NINTH EDITION Paul R. Krugman Princeton University Maurice Obstfeld University of California, Berkeley Marc J. Melitz Harvard University For Robin —P.K. For My Family —M.O. For Clair and Benjamin —M.M. Editorial Director: Sally Yagan Cover Designer: Black Horse Designs Editor in Chief: Donna Battista Interior Designer: Integra-Chicago Acquisitions Editor: Noel Kamm Seibert Image Manager: Rachel Youdelman Development Editor: Karen Misler Image Researcher: Diahanne Lucas Dowridge Editorial Project Manager: Melissa Pellerano Permissions Project Supervisor: Michael Joyce Director of Marketing: Patrice Jones Text Permissions Editor: Joanna Green Executive Marketing Manager: Lori DeShazo Media Producer: Melissa Honig Marketing Assistant: Ian Gold Associate Production Project Manager: Managing Editor: Nancy Fenton Alison Eusden Production Project Manager: Carla Thompson Full-Service Project Management and Manufacturing Director: Evelyn Beaton Composition: Integra Senior Manufacturing Buyer: Carol Melville Printer/Binder: R.R. Donnelley/Willard Creative Director: Christy Mahon Cover Printer: Lehigh-Phoenix Color/Hagerstown Senior Art Director: Jonathan Boylan Text Font: 10/12 Times New Roman Acknowledgments of material borrowed from other sources and reproduced, with permission, in this textbook appear on appropriate page within text. Credits appear on page 683, which constitutes a continuation of the copyright page. Copyright © 2012 Paul R. Krugman, Maurice Obstfeld, and Marc J. Melitz. All rights reserved. Manufactured in the United States of America. This publication is protected by Copyright, and permission should be obtained from the pub- lisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. To obtain permission(s) to use material from this work, please submit a written request to Pearson Education, Inc., Permissions Department, 501 Boylston Street, Suite 900, Boston, MA 02116, fax your request to 617-671-3447, or e-mail at http://www.pearsoned.com/legal/permission.htm. Many of the designations by manufacturers and seller to distinguish their products are claimed as trademarks. Where those designations appear in this book, and the publisher was aware of a trademark claim, the designations have been printed in initial caps or all caps. Library of Congress Cataloging-in-Publication Data Krugman, Paul R. International economics : theory & policy/Paul R. Krugman, Maurice Obstfeld, Marc J. Melitz.—9th ed. p. cm.—(The Pearson series in economics) Rev. ed. of: International economics : theory and policy / Paul Krugman, Maurice Obstfeld. 8th ed. ISBN-13: 978-0-13-214665-4 ISBN-10: 0-13-214665-7 1. International economic relations. 2. International ﬁnance. I. Obstfeld, Maurice. II. Melitz, Marc J. III. Title. HF1359.K78 2012 337—dc22 2010031988 10 9 8 7 6 5 4 3 2 1 ISBN 10: 0-13-214665-7 ISBN 13: 978-0-13-214665-4 Brief Contents Contents ix Preface xxi 1 Introduction 1 Part 1 International Trade Theory 10 2 World Trade: An Overview 10 3 Labor Productivity and Comparative Advantage: The Ricardian Model 24 4 Speciﬁc Factors and Income Distribution 50 5 Resources and Trade: The Heckscher-Ohlin Model 80 6 The Standard Trade Model 111 7 External Economies of Scale and the International Location of Production 137 8 Firms in the Global Economy: Export Decisions, Outsourcing, and Multinational Enterprises 155 Part 2 International Trade Policy 192 9 The Instruments of Trade Policy 192 10 The Political Economy of Trade Policy 219 11 Trade Policy in Developing Countries 256 12 Controversies in Trade Policy 271 Part 3 Exchange Rates and Open-Economy Macroeconomics 293 13 National Income Accounting and the Balance of Payments 293 14 Exchange Rates and the Foreign Exchange Market: An Asset Approach 320 15 Money, Interest Rates, and Exchange Rates 354 16 Price Levels and the Exchange Rate in the Long Run 384 17 Output and the Exchange Rate in the Short Run 421 18 Fixed Exchange Rates and Foreign Exchange Intervention 463 Part 4 International Macroeconomic Policy 504 19 International Monetary Systems: An Historical Overview 504 20 Optimum Currency Areas and the European Experience 557 21 Financial Globalization: Opportunity and Crisis 586 22 Developing Countries: Growth, Crisis, and Reform 619 vii viii Brief Contents Mathematical Postscripts Postscript to Chapter 5: The Factor Proportions Model.................................661 Postscript to Chapter 6: The Trading World Economy..................................665 Postscript to Chapter 8: The Monopolistic Competition Model...........................673 Postscript to Chapter 21: Risk Aversion and International Portfolio Diversiﬁcation...........675 Credits 683 Index 685 Contents Preface.......................................................................xxi 1 Introduction 1 What Is International Economics About?..........................................3 The Gains from Trade.............................................................4 The Pattern of Trade..............................................................5 How Much Trade?................................................................5 Balance of Payments..............................................................6 Exchange Rate Determination......................................................6 International Policy Coordination....................................................7 The International Capital Market....................................................7 International Economics: Trade and Money.......................................8 Part 1 International Trade Theory 10 2 World Trade: An Overview 10 Who Trades with Whom?......................................................10 Size Matters: The Gravity Model...................................................11 Using the Gravity Model: Looking for Anomalies......................................13 Impediments to Trade: Distance, Barriers, and Borders..................................14 The Changing Pattern of World Trade...........................................16 Has the World Gotten Smaller?....................................................16 What Do We Trade?.............................................................17 Service Outsourcing.............................................................19 Do Old Rules Still Apply?......................................................21 Summary...................................................................21 3 Labor Productivity and Comparative Advantage: The Ricardian Model 24 The Concept of Comparative Advantage.........................................25 A One-Factor Economy........................................................26 Production Possibilities...........................................................27 Relative Prices and Supply........................................................28 Trade in a One-Factor World...................................................29 Determining the Relative Price After Trade...........................................30 BOX: Comparative Advantage in Practice: The Case of Babe Ruth....................33 The Gains from Trade............................................................34 A Note on Relative Wages........................................................35 BOX: The Losses from Nontrade.................................................36 Misconceptions About Comparative Advantage...................................37 Productivity and Competitiveness...................................................37 The Pauper Labor Argument.......................................................37 BOX: Do Wages Reﬂect Productivity?............................................38 Exploitation....................................................................39 Comparative Advantage with Many Goods.......................................40 Setting Up the Model............................................................40 Relative Wages and Specialization..................................................40 Determining the Relative Wage in the Multigood Model.................................42 ix x Contents Adding Transport Costs and Nontraded Goods....................................43 Empirical Evidence on the Ricardian Model......................................45 Summary...................................................................47 4 Speciﬁc Factors and Income Distribution 50 The Speciﬁc Factors Model.....................................................51 BOX: What Is a Speciﬁc Factor?.................................................52 Assumptions of the Model........................................................52 Production Possibilities...........................................................53 Prices, Wages, and Labor Allocation................................................56 Relative Prices and the Distribution of Income........................................60 International Trade in the Speciﬁc Factors Model..................................62 Income Distribution and the Gains from Trade....................................63 The Political Economy of Trade: A Preliminary View...............................65 CASE STUDY: Trade and Unemployment..........................................66 Income Distribution and Trade Politics..............................................68 International Labor Mobility...................................................69 CASE STUDY: Wage Convergence in the Age of Mass Migration.......................70 CASE STUDY: Immigration and the U.S. Economy..................................71 Summary...................................................................73 Appendix: Further Details on Speciﬁc Factors.....................................77 Marginal and Total Product........................................................77 Relative Prices and the Distribution of Income........................................78 5 Resources and Trade: The Heckscher-Ohlin Model 80 A Model of a Two-Factor Economy..............................................81 Prices and Production............................................................81 Choosing the Mix of Inputs.......................................................84 Factor Prices and Goods Prices.....................................................86 Resources and Output............................................................88 Effects of International Trade Between Two-Factor Economies.......................89 Relative Prices and the Pattern of Trade..............................................90 Trade and the Distribution of Income................................................91 CASE STUDY: North-South Trade and Income Inequality.............................92 Factor-Price Equalization.........................................................97 Empirical Evidence on the Heckscher-Ohlin Model................................98 Trade in Goods as a Substitute for Trade in Factors.....................................98 Patterns of Exports Between Developed and Developing Countries.......................101 Implications of the Tests.........................................................102 Summary..................................................................104 Appendix: Factor Prices, Goods Prices, and Production Decisions...................107 Choice of Technique............................................................107 Goods Prices and Factor Prices....................................................108 More on Resources and Output....................................................109 6 The Standard Trade Model 111 A Standard Model of a Trading Economy.......................................112 Production Possibilities and Relative Supply.........................................112 Relative Prices and Demand......................................................113 The Welfare Effect of Changes in the Terms of Trade..................................116 Determining Relative Prices......................................................117 Economic Growth: A Shift of the RS curve..........................................117 Contents xi Growth and the Production Possibility Frontier.......................................119 World Relative Supply and the Terms of Trade.......................................119 International Effects of Growth...................................................121 CASE STUDY: Has the Growth of Newly Industrializing Countries Hurt Advanced Nations?...................................................122 Tariffs and Export Subsidies: Simultaneous Shifts in RS and RD....................124 Relative Demand and Supply Effects of a Tariff......................................125 Effects of an Export Subsidy.....................................................126 Implications of Terms of Trade Effects: Who Gains and Who Loses?......................126 International Borrowing and Lending...........................................127 Intertemporal Production Possibilities and Trade......................................128 The Real Interest Rate...........................................................128 Intertemporal Comparative Advantage..............................................130 Summary..................................................................130 Appendix: More on Intertemporal Trade........................................134 7 External Economies of Scale and the International Location of Production 137 Economies of Scale and International Trade: An Overview.........................138 Economies of Scale and Market Structure.......................................139 The Theory of External Economies.............................................140 Specialized Suppliers...........................................................140 Labor Market Pooling...........................................................141 Knowledge Spillovers...........................................................142 External Economies and Market Equilibrium.........................................142 External Economies and International Trade.....................................143 External Economies, Output, and Prices.............................................143 External Economies and the Pattern of Trade.........................................145 BOX: Holding the World Together..............................................147 Trade and Welfare with External Economies.........................................147 Dynamic Increasing Returns......................................................149 Interregional Trade and Economic Geography...................................150 BOX: Tinseltown Economics...................................................151 Summary..................................................................152 8 Firms in the Global Economy: Export Decisions, Outsourcing, and Multinational Enterprises 155 The Theory of Imperfect Competition..........................................156 Monopoly: A Brief Review.......................................................157 Monopolistic Competition.......................................................159 Monopolistic Competition and Trade...........................................164 The Effects of Increased Market Size...............................................164 Gains from an Integrated Market: A Numerical Example...............................166 The Signiﬁcance of Intra-Industry Trade............................................169 CASE STUDY: Intra-Industry Trade in Action: The North American Auto Pact of 1964.........................................................171 Firm Responses to Trade: Winners, Losers, and Industry Performance...............172 Performance Differences Across Producers..........................................172 The Effects of Increased Market Size...............................................174 Trade Costs and Export Decisions..............................................176 Dumping...................................................................178 CASE STUDY: Antidumping as Protectionism......................................179 Multinationals and Outsourcing...............................................180 xii Contents CASE STUDY: Patterns of Foreign Direct Investment Flows Around the World..........180 The Firm’s Decision Regarding Foreign Direct Investment..............................183 Outsourcing...................................................................185 Consequences of Multinationals and Foreign Outsourcing..............................186 Summary..................................................................187 Appendix: Determining Marginal Revenue......................................191 Part 2 International Trade Policy 192 9 The Instruments of Trade Policy 192 Basic Tariff Analysis.........................................................192 Supply, Demand, and Trade in a Single Industry......................................193 Effects of a Tariff..............................................................195 Measuring the Amount of Protection...............................................196 Costs and Beneﬁts of a Tariff..................................................198 Consumer and Producer Surplus...................................................198 Measuring the Costs and Beneﬁts..................................................199 BOX: Tariffs for the Long Haul.................................................202 Other Instruments of Trade Policy.............................................202 Export Subsidies: Theory........................................................203 CASE STUDY: Europe’s Common Agricultural Policy...............................204 Import Quotas: Theory..........................................................205 CASE STUDY: An Import Quota in Practice: U.S. Sugar.............................206 Voluntary Export Restraints......................................................208 CASE STUDY: A Voluntary Export Restraint in Practice: Japanese Autos..............208 Local Content Requirements......................................................209 BOX: American Buses, Made in Hungary........................................210 Other Trade Policy Instruments...................................................210 The Effects of Trade Policy: A Summary........................................211 Summary..................................................................211 Appendix: Tariffs and Import Quotas in the Presence of Monopoly..................215 The Model with Free Trade......................................................215 The Model with a Tariff.........................................................216 The Model with an Import Quota..................................................217 Comparing a Tariff and a Quota...................................................217 10 The Political Economy of Trade Policy 219 The Case for Free Trade......................................................220 Free Trade and Efﬁciency........................................................220 Additional Gains from Free Trade.................................................221 Rent-Seeking..................................................................222 Political Argument for Free Trade.................................................222 CASE STUDY: The Gains from 1992..............................................223 National Welfare Arguments Against Free Trade.................................224 The Terms of Trade Argument for a Tariff...........................................225 The Domestic Market Failure Argument Against Free Trade............................226 How Convincing Is the Market Failure Argument?....................................227 Income Distribution and Trade Policy...........................................229 Electoral Competition...........................................................229 Collective Action..............................................................230 BOX: Politicians for Sale: Evidence from the 1990s................................231 Modeling the Political Process....................................................232 Who Gets Protected?............................................................233 Contents xiii International Negotiations and Trade Policy.....................................234 The Advantages of Negotiation...................................................235 International Trade Agreements: A Brief History.....................................236 The Uruguay Round............................................................238 Trade Liberalization............................................................238 Administrative Reforms: From the GATT to the WTO.................................239 Beneﬁts and Costs..............................................................240 BOX: Settling a Dispute—and Creating One......................................241 CASE STUDY: Testing the WTO’s Mettle..........................................242 The Doha Disappointment....................................................243 BOX: Do Agricultural Subsidies Hurt the Third World?............................244 Preferential Trading Agreements..................................................245 BOX: Free Trade Area versus Customs Union.....................................246 BOX: Do Trade Preferences Have Appeal?........................................248 CASE STUDY: Trade Diversion in South America..................................249 Summary..................................................................249 Appendix: Proving That the Optimum Tariff Is Positive...........................253 Demand and Supply............................................................253 The Tariff and Prices............................................................253 The Tariff and Domestic Welfare..................................................254 11 Trade Policy in Developing Countries 256 Import-Substituting Industrialization...........................................257 The Infant Industry Argument....................................................258 Promoting Manufacturing Through Protection........................................259 CASE STUDY: Mexico Abandons Import-Substituting Industrialization..........................................................261 Results of Favoring Manufacturing: Problems of Import-Substituting Industrialization..........................................................262 Trade Liberalization Since 1985................................................263 Trade and Growth: Takeoff in Asia.............................................265 BOX: India’s Boom...........................................................267 Summary..................................................................268 12 Controversies in Trade Policy 271 Sophisticated Arguments for Activist Trade Policy................................272 Technology and Externalities.....................................................272 Imperfect Competition and Strategic Trade Policy.....................................274 BOX: A Warning from Intel’s Founder...........................................277 CASE STUDY: When the Chips Were Up..........................................278 Globalization and Low-Wage Labor............................................279 The Anti-Globalization Movement.................................................280 Trade and Wages Revisited.......................................................280 Labor Standards and Trade Negotiations............................................282 Environmental and Cultural Issues.................................................283 The WTO and National Independence..............................................284 CASE STUDY: Bare Feet, Hot Metal, and Globalization..............................285 Globalization and the Environment.............................................286 Globalization, Growth, and Pollution...............................................286 The Problem of “Pollution Havens”................................................287 The Carbon Tariff Dispute.......................................................289 Summary..................................................................290 xiv Contents Part 3 Exchange Rates and Open-Economy Macroeconomics 293 13 National Income Accounting and the Balance of Payments 293 The National Income Accounts................................................295 National Product and National Income..............................................296 Capital Depreciation and International Transfers......................................297 Gross Domestic Product.........................................................297 National Income Accounting for an Open Economy...............................298 Consumption..................................................................298 Investment....................................................................298 Government Purchases..........................................................299 The National Income Identity for an Open Economy...................................299 An Imaginary Open Economy....................................................299 The Current Account and Foreign Indebtedness......................................300 Saving and the Current Account...................................................302 Private and Government Saving...................................................303 CASE STUDY: Government Deﬁcit Reduction May Not Increase the Current Account Surplus...............................................304 The Balance of Payments Accounts.............................................306 Examples of Paired Transactions..................................................307 The Fundamental Balance of Payments Identity......................................308 The Current Account, Once Again.................................................309 The Capital Account............................................................310 The Financial Account..........................................................310 Net Errors and Omissions........................................................311 Ofﬁcial Reserve Transactions.....................................................312 CASE STUDY: The Assets and Liabilities of the World’s Biggest Debtor................313 Summary..................................................................316 14 Exchange Rates and the Foreign Exchange Market: An Asset Approach 320 Exchange Rates and International Transactions..................................321 Domestic and Foreign Prices.....................................................321 Exchange Rates and Relative Prices................................................323 The Foreign Exchange Market.................................................324 The Actors....................................................................324 Characteristics of the Market.....................................................325 Spot Rates and Forward Rates....................................................326 Foreign Exchange Swaps........................................................328 Futures and Options............................................................328 The Demand for Foreign Currency Assets.......................................328 Assets and Asset Returns........................................................329 BOX: Nondeliverable Forward Exchange Trading in Asia...........................330 Risk and Liquidity..............................................................332 Interest Rates..................................................................332 Exchange Rates and Asset Returns.................................................334 A Simple Rule.................................................................334 Return, Risk, and Liquidity in the Foreign Exchange Market............................336 Equilibrium in the Foreign Exchange Market....................................337 Interest Parity: The Basic Equilibrium Condition.....................................337 How Changes in the Current Exchange Rate Affect Expected Returns.....................338 The Equilibrium Exchange Rate...................................................339 Interest Rates, Expectations, and Equilibrium....................................341 The Effect of Changing Interest Rates on the Current Exchange Rate......................342 The Effect of Changing Expectations on the Current Exchange Rate......................343 Contents xv CASE STUDY: What Explains the Carry Trade?....................................344 Summary..................................................................346 Appendix: Forward Exchange Rates and Covered Interest Parity............................................................351 15 Money, Interest Rates, and Exchange Rates 354 Money Deﬁned: A Brief Review................................................355 Money as a Medium of Exchange.................................................355 Money as a Unit of Account......................................................355 Money as a Store of Value.......................................................356 What Is Money?...............................................................356 How the Money Supply Is Determined..............................................356 The Demand for Money by Individuals..........................................357 Expected Return...............................................................357 Risk.........................................................................358 Liquidity.....................................................................358 Aggregate Money Demand....................................................358 The Equilibrium Interest Rate: The Interaction of Money Supply and Demand.......................................................360 Equilibrium in the Money Market.................................................360 Interest Rates and the Money Supply...............................................362 Output and the Interest Rate......................................................363 The Money Supply and the Exchange Rate in the Short Run........................363 Linking Money, the Interest Rate, and the Exchange Rate...............................364 U.S. Money Supply and the Dollar/Euro Exchange Rate................................365 Europe’s Money Supply and the Dollar/Euro Exchange Rate............................366 Money, the Price Level, and the Exchange Rate in the Long Run....................368 Money and Money Prices........................................................369 The Long-Run Effects of Money Supply Changes.....................................369 Empirical Evidence on Money Supplies and Price Levels...............................370 Money and the Exchange Rate in the Long Run......................................371 Inﬂation and Exchange Rate Dynamics.........................................372 Short-Run Price Rigidity versus Long-Run Price Flexibility.............................372 BOX: Money Supply Growth and Hyperinﬂation in Bolivia.........................374 Permanent Money Supply Changes and the Exchange Rate.............................374 Exchange Rate Overshooting.....................................................377 CASE STUDY: Can Higher Inﬂation Lead to Currency Appreciation? The Implications of Inﬂation Targeting.......................................378 Summary..................................................................381 16 Price Levels and the Exchange Rate in the Long Run 384 The Law of One Price........................................................385 Purchasing Power Parity.....................................................386 The Relationship Between PPP and the Law of One Price..............................386 Absolute PPP and Relative PPP...................................................387 A Long-Run Exchange Rate Model Based on PPP................................388 The Fundamental Equation of the Monetary Approach.................................388 Ongoing Inﬂation, Interest Parity, and PPP..........................................390 The Fisher Effect...............................................................391 Empirical Evidence on PPP and the Law of One Price.............................394 Explaining the Problems with PPP.............................................395 Trade Barriers and Nontradables..................................................396 Departures from Free Competition.................................................397 Differences in Consumption Patterns and Price Level Measurement.......................397 xvi Contents BOX: Some Meaty Evidence on the Law of One Price..............................398 PPP in the Short Run and in the Long Run...........................................400 CASE STUDY: Why Price Levels Are Lower in Poorer Countries......................401 Beyond Purchasing Power Parity: A General Model of Long-Run Exchange Rates...........................................................403 The Real Exchange Rate.........................................................404 Demand, Supply, and the Long-Run Real Exchange Rate...............................405 BOX: Sticky Prices and the Law of One Price: Evidence from Scandinavian Duty-Free Shops.........................................406 Nominal and Real Exchange Rates in Long-Run Equilibrium............................408 International Interest Rate Differences and the Real Exchange Rate.................410 Real Interest Parity..........................................................412 Summary..................................................................413 Appendix: The Fisher Effect, the Interest Rate, and the Exchange Rate Under the Flexible-Price Monetary Approach.................................418 17 Output and the Exchange Rate in the Short Run 421 Determinants of Aggregate Demand in an Open Economy..........................422 Determinants of Consumption Demand.............................................422 Determinants of the Current Account...............................................423 How Real Exchange Rate Changes Affect the Current Account..........................424 How Disposable Income Changes Affect the Current Account...........................424 The Equation of Aggregate Demand............................................425 The Real Exchange Rate and Aggregate Demand.....................................425 Real Income and Aggregate Demand...............................................425 How Output Is Determined in the Short Run.....................................426 Output Market Equilibrium in the Short Run: The DD Schedule....................428 Output, the Exchange Rate, and Output Market Equilibrium.............................428 Deriving the DD Schedule.......................................................429 Factors That Shift the DD Schedule................................................429 Asset Market Equilibrium in the Short Run: The AA Schedule......................432 Output, the Exchange Rate, and Asset Market Equilibrium..............................432 Deriving the AA Schedule........................................................434 Factors That Shift the AA Schedule................................................434 Short-Run Equilibrium for an Open Economy: Putting the DD and AA Schedules Together........................................................435 Temporary Changes in Monetary and Fiscal Policy...............................437 Monetary Policy...............................................................438 Fiscal Policy..................................................................438 Policies to Maintain Full Employment..............................................439 Inﬂation Bias and Other Problems of Policy Formulation..........................441 Permanent Shifts in Monetary and Fiscal Policy..................................442 A Permanent Increase in the Money Supply..........................................442 Adjustment to a Permanent Increase in the Money Supply..............................442 A Permanent Fiscal Expansion....................................................444 Macroeconomic Policies and the Current Account................................446 Gradual Trade Flow Adjustment and Current Account Dynamics...................447 The J-Curve...................................................................447 Exchange Rate Pass-Through and Inﬂation..........................................449 BOX: Exchange Rates and the Current Account...................................450 The Liquidity Trap..........................................................451 Summary..................................................................454 Contents xvii Appendix 1: Intertemporal Trade and Consumption Demand.......................458 Appendix 2: The Marshall-Lerner Condition and Empirical Estimates of Trade Elasticities...............................................460 18 Fixed Exchange Rates and Foreign Exchange Intervention 463 Why Study Fixed Exchange Rates?.............................................464 Central Bank Intervention and the Money Supply................................465 The Central Bank Balance Sheet and the Money Supply................................465 Foreign Exchange Intervention and the Money Supply.................................467 Sterilization...................................................................467 The Balance of Payments and the Money Supply.....................................468 How the Central Bank Fixes the Exchange Rate..................................469 Foreign Exchange Market Equilibrium Under a Fixed Exchange Rate.....................469 Money Market Equilibrium Under a Fixed Exchange Rate..............................470 A Diagrammatic Analysis........................................................471 Stabilization Policies with a Fixed Exchange Rate.................................472 Monetary Policy...............................................................472 Fiscal Policy..................................................................473 Changes in the Exchange Rate....................................................474 Adjustment to Fiscal Policy and Exchange Rate Changes...............................476 Balance of Payments Crises and Capital Flight...................................476 Managed Floating and Sterilized Intervention....................................479 Perfect Asset Substitutability and the Ineffectiveness of Sterilized Intervention..............479 BOX: Brazil’s 1998–1999 Balance of Payments Crisis...............................480 Foreign Exchange Market Equilibrium Under Imperfect Asset Substitutability..............481 The Effects of Sterilized Intervention with Imperfect Asset Substitutability.................482 Evidence on the Effects of Sterilized Intervention.....................................483 Reserve Currencies in the World Monetary System...............................484 The Mechanics of a Reserve Currency Standard......................................485 The Asymmetric Position of the Reserve Center......................................485 The Gold Standard..........................................................486 The Mechanics of a Gold Standard.................................................486 Symmetric Monetary Adjustment Under a Gold Standard...............................487 Beneﬁts and Drawbacks of the Gold Standard........................................487 The Bimetallic Standard.........................................................488 The Gold Exchange Standard.....................................................489 CASE STUDY: The Demand for International Reserves..............................489 Summary..................................................................493 Appendix 1: Equilibrium in the Foreign Exchange Market with Imperfect Asset Substitutability.........................................498 Demand......................................................................498 Supply.......................................................................499 Equilibrium...................................................................499 Appendix 2: The Timing of Balance of Payments Crises............................501 Part 4 International Macroeconomic Policy 504 19 International Monetary Systems: An Historical Overview 504 Macroeconomic Policy Goals in an Open Economy................................505 Internal Balance: Full Employment and Price Level Stability............................506 External Balance: The Optimal Level of the Current Account............................507 Classifying Monetary Systems: The Open-Economy Trilemma......................509 xviii Contents International Macroeconomic Policy Under the Gold Standard, 1870–1914...........510 Origins of the Gold Standard.....................................................511 External Balance Under the Gold Standard..........................................511 The Price-Specie-Flow Mechanism................................................511 The Gold Standard “Rules of the Game”: Myth and Reality.............................512 Internal Balance Under the Gold Standard...........................................513 BOX: Hume versus the Mercantilists............................................514 CASE STUDY: The Political Economy of Exchange Rate Regimes: Conﬂict Over America’s Monetary Standard During the 1890s...................514 The Interwar Years, 1918–1939................................................516 The Fleeting Return to Gold......................................................516 International Economic Disintegration..............................................516 CASE STUDY: The International Gold Standard and the Great Depression.............517 The Bretton Woods System and the International Monetary Fund...................518 Goals and Structure of the IMF...................................................519 Convertibility and the Expansion of Private Financial Flows.............................520 Speculative Capital Flows and Crises...............................................521 Analyzing Policy Options for Reaching Internal and External Balance...............521 Maintaining Internal Balance.....................................................522 Maintaining External Balance.....................................................523 Expenditure-Changing and Expenditure-Switching Policies.............................523 The External Balance Problem of the United States Under Bretton Woods............525 CASE STUDY: The End of Bretton Woods, Worldwide Inﬂation, and the Transition to Floating Rates.........................................526 The Mechanics of Imported Inﬂation...........................................528 Assessment...................................................................529 The Case for Floating Exchange Rates..........................................529 Monetary Policy Autonomy.......................................................530 Symmetry.....................................................................531 Exchange Rates as Automatic Stabilizers............................................531 Exchange Rates and External Balance..............................................533 CASE STUDY: The First Years of Floating Rates, 1973–1990.........................533 Macroeconomic Interdependence Under a Floating Rate...........................537 CASE STUDY: Transformation and Crisis in the World Economy.....................538 What Has Been Learned Since 1973?...........................................544 Monetary Policy Autonomy.......................................................544 Symmetry.....................................................................545 The Exchange Rate as an Automatic Stabilizer.......................................546 External Balance...............................................................546 The Problem of Policy Coordination...............................................547 Are Fixed Exchange Rates Even an Option for Most Countries?.....................547 Summary..................................................................548 Appendix: International Policy Coordination Failures.............................554 20 Optimum Currency Areas and the European Experience 557 How the European Single Currency Evolved.....................................559 What Has Driven European Monetary Cooperation?...................................559 The European Monetary System, 1979–1998.........................................560 German Monetary Dominance and the Credibility Theory of the EMS.....................561 Market Integration Initiatives.....................................................562 European Economic and Monetary Union...........................................563 The Euro and Economic Policy in the Euro Zone.................................564 The Maastricht Convergence Criteria and the Stability and Growth Pact...................564 Contents xix The European System of Central Banks.............................................565 The Revised Exchange Rate Mechanism............................................566 The Theory of Optimum Currency Areas........................................566 Economic Integration and the Beneﬁts of a Fixed Exchange Rate Area: The GG Schedule.....566 Economic Integration and the Costs of a Fixed Exchange Rate Area: The LL Schedule........568 The Decision to Join a Currency Area: Putting the GG and LL Schedules Together...........570 What Is an Optimum Currency Area?..............................................572 CASE STUDY: Is Europe an Optimum Currency Area?..............................572 The Future of EMU..........................................................578 BOX: The Euro Zone Debt Crisis of 2010.........................................580 Summary..................................................................582 21 Financial Globalization: Opportunity and Crisis 586 The International Capital Market and the Gains from Trade.......................587 Three Types of Gain from Trade...................................................587 Risk Aversion.................................................................588 Portfolio Diversiﬁcation as a Motive for International Asset Trade........................589 The Menu of International Assets: Debt versus Equity.................................590 International Banking and the International Capital Market.......................590 The Structure of the International Capital Market.....................................591 Offshore Banking and Offshore Currency Trading.....................................592 The Growth of Eurocurrency Trading...............................................593 The Importance of Regulatory Asymmetries.........................................594 The Shadow Banking System.....................................................594 Regulating International Banking..............................................595 The Problem of Bank Failure.....................................................595 CASE STUDY: Moral Hazard...................................................597 Difﬁculties in Regulating International Banking......................................598 BOX: The Simple Algebra of Moral Hazard......................................599 International Regulatory Cooperation...............................................599 CASE STUDY: Two Episodes of Market Turmoil: LTCM and the Global Financial Crisis of 2007–2009........................................................601 BOX:Foreign Exchange Instability and Central Bank Swap Lines....................606 How Well Have International Financial Markets Allocated Capital and Risk?.........608 The Extent of International Portfolio Diversiﬁcation...................................608 The Extent of Intertemporal Trade.................................................610 Onshore-Offshore Interest Differentials.............................................611 The Efﬁciency of the Foreign Exchange Market......................................611 Summary..................................................................615 22 Developing Countries: Growth, Crisis, and Reform 619 Income, Wealth, and Growth in the World Economy..............................620 The Gap Between Rich and Poor..................................................620 Has the World Income Gap Narrowed Over Time?....................................621 Structural Features of Developing Countries.....................................623 Developing-Country Borrowing and Debt.......................................626 The Economics of Financial Inﬂows to Developing Countries...........................626 The Problem of Default.........................................................627 Alternative Forms of Financial Inﬂow..............................................629 The Problem of “Original Sin”....................................................631 The Debt Crisis of the 1980s.....................................................632 Reforms, Capital Inﬂows, and the Return of Crisis....................................633 East Asia: Success and Crisis..................................................636 The East Asian Economic Miracle.................................................636 xx Contents BOX: Why Have Developing Countries Accumulated Such High Levels of International Reserves?..................................................637 Asian Weaknesses..............................................................639 BOX: What Did East Asia Do Right?............................................640 The Asian Financial Crisis.......................................................641 Spillover to Russia.............................................................642 CASE STUDY: Can Currency Boards Make Fixed Exchange Rates Credible?...........644 Lessons of Developing-Country Crises..........................................646 Reforming the World’s Financial “Architecture”.................................647 Capital Mobility and the Trilemma of the Exchange Rate Regime........................648 “Prophylactic” Measures........................................................649 Coping with Crisis.............................................................650 CASE STUDY: China’s Undervalued Currency.....................................651 Understanding Global Capital Flows and the Global Distribution of Income: Is Geography Destiny?.....................................................653 Summary..................................................................656 Mathematical Postscripts 661 Postscript to Chapter 5: The Factor Proportions Model............................661 Factor Prices and Costs..........................................................661 Goods Prices and Factor Prices....................................................663 Factor Supplies and Outputs......................................................664 Postscript to Chapter 6: The Trading World Economy.............................665 Supply, Demand, and Equilibrium.................................................665 Supply, Demand, and the Stability of Equilibrium.....................................667 Effects of Changes in Supply and Demand..........................................669 Economic Growth..............................................................669 A Transfer of Income...........................................................670 A Tariff......................................................................671 Postscript to Chapter 8: The Monopolistic Competition Model......................673 Postscript to Chapter 21: Risk Aversion and International Portfolio Diversiﬁcation.........675 An Analytical Derivation of the Optimal Portfolio.....................................675 A Diagrammatic Derivation of the Optimal Portfolio..................................676 The Effects of Changing Rates of Return............................................679 Credits 683 Index 685 Online Appendices (www.pearsonhighered.com/krugman) Appendix A to Chapter 6: International Transfers of Income and the Terms of Trade The Transfer Problem Effects of a Transfer on the Terms of Trade Presumptions About the Terms of Trade Effects of Transfers Appendix B to Chapter 6: Representing International Equilibrium with Offer Curves Deriving a Country’s Offer Curve International Equilibrium Appendix A to Chapter 9: Tariff Analysis in General Equilibrium A Tariff in a Small Country A Tariff in a Large Country Appendix A to Chapter 17: The IS-LM Model and the DD-AA Model Appendix A to Chapter 18: The Monetary Approach to the Balance of Payments Preface The global ﬁnancial turmoil that began in August 2007 escalated into a full-blown ﬁnancial crisis about nine months after the last edition of International Economics: Theory & Policy went to press. This ninth edition therefore comes out at a time when we are more aware than ever before of how events in the global economy inﬂuence each country’s economic for- tunes, policies, and political debates. The world that emerged from World War II was one in which trade, ﬁnancial, and even communication links between countries were limited. More than a decade into the 21st century, however, the picture is very different. Globalization has arrived, big time. International trade in goods and services has expanded steadily over the past six decades thanks to declines in shipping and communication costs, globally negotiated reductions in government trade barriers, the widespread outsourcing of production activities, and a greater awareness of foreign cultures and products. New and better communications technologies, notably the Internet, have revolutionized the way people in all countries obtain and exchange information. International trade in ﬁnancial assets such as currencies, stocks, and bonds has expanded at a much faster pace even than international product trade. This process brings beneﬁts for owners of wealth but also creates risks of contagious ﬁnancial instability. Those risks were realized during the recent global ﬁnancial crisis, which spread quickly across national borders and has played out at huge cost to the world economy. Of all the changes on the international scene in recent decades, however, perhaps the biggest one remains the emergence of China—a development that is already redeﬁning the international balance of economic and political power in the coming century. Imagine the astonishment of the generation that lived through the depressed 1930s as adults, had its members been able to foresee the shape of today’s world economy! Nonetheless, the economic concerns that continue to cause international debate have not changed that much from those that dominated the 1930s, nor indeed since they were ﬁrst analyzed by economists more than two centuries ago. What are the merits of free trade among nations compared with protectionism? What causes countries to run trade surpluses or deﬁcits with their trading part- ners, and how are such imbalances resolved over time? What causes banking and currency crises in open economies, what causes ﬁnancial contagion between economies, and how should governments handle international ﬁnancial instability? How can governments avoid unemployment and inﬂation, what role do exchange rates play in their efforts, and how can countries best cooperate to achieve their economic goals? As always in international econom- ics, the interplay of events and ideas has led to new modes of analysis. In turn, these analytical advances, however abstruse they may seem at ﬁrst, ultimately do end up playing a major role in governmental policies, in international negotiations, and in people’s everyday lives. Globalization has made citizens of all countries much more aware than ever before of the worldwide economic forces that inﬂuence their fortunes, and globalization is here to stay. New to the Ninth Edition We are delighted to welcome Marc Melitz of Harvard University to our author team beginning in this ninth edition of International Economics: Theory & Policy. We have thoroughly updated the content and extensively revised several chapters. These revisions respond both to users’ suggestions and to some important developments on the theoretical and practical sides of inter- national economics. The most far-reaching changes are the following: Chapter 4, Speciﬁc Factors and Income Distribution In response to popular demand, this chapter reinstates the specific factors model of trade, which allows for mobile, xxi xxii Preface general-purpose factors of production as well as factors that are unable to move between different industries. Aside from providing a simple and intuitively appealing account of why countries trade, the model is a useful tool for illustrating how trade creates clear losers as well as winners. This revised chapter also covers international labor movements and immigration within a theoretical framework based on the specific factors model. Chapter 5, Resources and Trade: The Heckscher-Ohlin Model This edition offers expanded coverage of the effects on wage inequality of North-South trade, of technological change, and of outsourcing. Chapter 6, The Standard Trade Model This chapter now contains our model of intertem- poral trade. Global equilibrium is analyzed using the relative supply–relative demand frame- work rather than offer curves. Chapter 8, Firms in the Global Economy: Export Decisions, Outsourcing, and Multinational Enterprises The second half of this chapter is entirely new and covers important recent research advances on the role of ﬁrms in international trade. Among the topics we feature are new models with performance differences across ﬁrms, discussion of how economic integration generates both winners and losers among ﬁrms in the same industry, and the productivity gains from economic integration. The chapter also develops models of multinational ﬁrms and of outsourcing. Chapter 9, The Instruments of Trade Policy This chapter features an updated treatment of the effects of trade restrictions on United States ﬁrms. Chapter 13, National Income Accounting and the Balance of Payments The discussion of balance of payments accounting has been thoroughly revised to reﬂect the recommendations in the sixth edition of the IMF’s Balance of Payments and International Investment Position Manual. These conventions have been widely adopted internationally and will be phased in over the next few years in the ofﬁcial United States statistics on international transactions. Chapter 18, Fixed Exchange Rates and Foreign Exchange Intervention The recent ﬁnancial crisis has led a number of major central banks to lower target interest rates to, or close to, the zero lower bound. This chapter integrates the case of the liquidity trap into the development of the DD-AA model, thereby allowing the instructor to introduce the topic of “unconventional” monetary policies. Chapter 19, International Monetary Systems: An Historical Overview This new chapter merges streamlined versions of prior Chapters 18 and 19, which covered, respectively, pre-1973 and post-1973 international monetary history. The chapter takes the open-economy trilemma, previously introduced in Chapter 21, as a guiding framework for understanding the evolution of the international monetary system since the late 19th century. The chapter features coverage of the macroeconomic antecedents and consequences of the global ﬁnancial crisis of 2007–2009. Chapter 21, Financial Globalization: Opportunity and Crisis The chapter contains extended discussion of shadow banking systems, moral hazard, and ﬁnancial aspects of the 2007–2009 global crisis. Preface xxiii In addition to these structural changes, we have updated the book in other ways to maintain current relevance. Thus we examine linkages between trade and unemployment (Chapter 4); we review recent trends in foreign direct investment (Chapter 8); we discuss the carry trade in light of uncovered interest parity (Chapter 14); we describe the euro zone sovereign debt crisis that started in 2010 (Chapter 20); and we explain how the ﬁnancial crisis of 2007–2009 gave rise to a global “dollar shortage,” leading central banks to estab- lish an unprecedented network of currency swap lines (Chapter 21). About the Book The idea of writing this book came out of our experience in teaching international eco- nomics to undergraduates and business students since the late 1970s. We perceived two main challenges in teaching. The ﬁrst was to communicate to students the exciting intel- lectual advances in this dynamic ﬁeld. The second was to show how the development of international economic theory has traditionally been shaped by the need to understand the changing world economy and analyze actual problems in international economic policy. We found that published textbooks did not adequately meet these challenges. Too often, international economics textbooks confront students with a bewildering array of special models and assumptions from which basic lessons are difﬁcult to extract. Because many of these special models are outmoded, students are left puzzled about the real-world relevance of the analysis. As a result, many textbooks often leave a gap between the somewhat anti- quated material to be covered in class and the exciting issues that dominate current research and policy debates. That gap has widened dramatically as the importance of international economic problems—and enrollments in international economics courses—have grown. This book is our attempt to provide an up-to-date and understandable analytical framework for illuminating current events and bringing the excitement of international economics into the classroom. In analyzing both the real and monetary sides of the subject, our approach has been to build up, step by step, a simple, uniﬁed framework for communicating the grand traditional insights as well as the newest ﬁndings and approaches. To help the student grasp and retain the underlying logic of international economics, we motivate the theoretical devel- opment at each stage by pertinent data and policy questions. The Place of This Book in the Economics Curriculum Students assimilate international economics most readily when it is presented as a method of analysis vitally linked to events in the world economy, rather than as a body of abstract theorems about abstract models. Our goal has therefore been to stress concepts and their application rather than theoretical formalism. Accordingly, the book does not presuppose an extensive background in economics. Students who have had a course in economic principles will ﬁnd the book accessible, but students who have taken further courses in microeconomics or macroeconomics will ﬁnd an abundant supply of new material. Specialized appendices and mathematical postscripts have been included to challenge the most advanced students. We follow the standard practice of dividing the book into two halves, devoted to trade and to monetary questions. Although the trade and monetary portions of international eco- nomics are often treated as unrelated subjects, even within one textbook, similar themes and methods recur in both subﬁelds. One example is the idea of gains from trade, which is important in understanding the effects of free trade in assets as well as free trade in goods. International borrowing and lending provide another example. The process by which countries trade present for future consumption is best explained in terms of comparative xxiv Preface advantage (which is why we introduce it in the book’s ﬁrst half), but the resulting insights deepen understanding of the external macroeconomic problems of developing and devel- oped economies alike. We have made it a point to illuminate connections between the trade and monetary areas when they arise. At the same time, we have made sure that the book’s two halves are completely self- contained. Thus, a one-semester course on trade theory can be based on Chapters 2 through 12, and a one-semester course on international monetary economics can be based on Chapters 13 through 22. If you adopt the book for a full-year course covering both subjects, however, you will ﬁnd a treatment that does not leave students wondering why the principles underlying their work on trade theory have been discarded over the winter break. Some Distinctive Features of International Economics: Theory & Policy This book covers the most important recent developments in international economics with- out shortchanging the enduring theoretical and historical insights that have traditionally formed the core of the subject. We have achieved this comprehensiveness by stressing how recent theories have evolved from earlier ﬁndings in response to an evolving world economy. Both the real trade portion of the book (Chapters 2 through 12) and the monetary portion (Chapters 13 through 22) are divided into a core of chapters focused on theory, followed by chapters applying the theory to major policy questions, past and current. In Chapter 1 we describe in some detail how this book addresses the major themes of inter- national economics. Here we emphasize several of the newer topics that previous authors failed to treat in a systematic way. Asset Market Approach to Exchange Rate Determination The modern foreign exchange market and the determination of exchange rates by national interest rates and expectations are at the center of our account of open-economy macro- economics. The main ingredient of the macroeconomic model we develop is the interest parity relation (augmented later by risk premiums). Among the topics we address using the model are exchange rate “overshooting”; inﬂation targeting; behavior of real exchange rates; balance-of-payments crises under ﬁxed exchange rates; and the causes and effects of central bank intervention in the foreign exchange market. Increasing Returns and Market Structure Even before discussing the role of comparative advantage in promoting international exchange and the associated welfare gains, we visit the forefront of theoretical and empirical research by setting out the gravity model of trade (Chapter 2). We return to the research fron- tier (in Chapters 7 and 8) by explaining how increasing returns and product differentiation affect trade and welfare. The models explored in this discussion capture signiﬁcant aspects of reality, such as intraindustry trade and shifts in trade patterns due to dynamic scale economies. The models show, too, that mutually beneﬁcial trade need not be based on com- parative advantage. Firms in International Trade Chapter 8 also summarizes exciting new research focused on the role of ﬁrms in interna- tional trade. The chapter emphasizes that different ﬁrms may fare differently in the face of globalization. The expansion of some and the contraction of others shift overall production Preface xxv toward more efﬁcient producers within industrial sectors, raising overall productivity and thereby generating gains from trade. Those ﬁrms that expand in an environment of freer trade may have incentives to outsource some of their production activities abroad or take up multinational production, as we describe in the chapter. Politics and Theory of Trade Policy Starting in Chapter 4, we stress the effect of trade on income distribution as the key political factor behind restrictions on free trade. This emphasis makes it clear to students why the prescriptions of the standard welfare analysis of trade policy seldom prevail in practice. Chapter 12 explores the popular notion that governments should adopt activist trade poli- cies aimed at encouraging sectors of the economy seen as crucial. The chapter includes a theoretical discussion of such trade policy based on simple ideas from game theory. International Macroeconomic Policy Coordination Our discussion of international monetary experience (Chapters 19, 20, and 22) stresses the theme that different exchange rate systems have led to different policy coordination problems for their members. Just as the competitive gold scramble of the interwar years showed how beggar-thy-neighbor policies can be self-defeating, the current ﬂoat chal- lenges national policymakers to recognize their interdependence and formulate policies cooperatively. The World Capital Market and Developing Countries A broad discussion of the world capital market is given in Chapter 21, which takes up the welfare implications of international portfolio diversiﬁcation as well as problems of prudential supervision of internationally active banks and other ﬁnancial institutions. Chapter 22 is devoted to the long-term growth prospects and to the speciﬁc macroeconomic stabilization and liberalization problems of industrializing and newly industrialized countries. The chapter reviews emerging market crises and places in historical perspective the interactions among developing country borrowers, developed country lenders, and ofﬁcial ﬁnancial institutions such as the International Monetary Fund. Chapter 22 also reviews China’s exchange-rate poli- cies and recent research on the persistence of poverty in the developing world. Learning Features This book incorporates a number of special learning features that will maintain students’ interest in the presentation and help them master its lessons. Case Studies Case studies that perform the threefold role of reinforcing material covered earlier, illus- trating its applicability in the real world, and providing important historical information often accompany theoretical discussions. Special Boxes Less central topics that nonetheless offer particularly vivid illustrations of points made in the text are treated in boxes. Among these are U.S. President Thomas Jefferson’s trade embargo of 1807–1809 (p. 36); the astonishing ability of disputes over banana trade to generate acrimony among countries far too cold to grow any of their own bananas (p. 248); markets for nondeliverable forward exchange (p. 330); and the rapid accumula- tion of foreign exchange reserves by developing countries (p. 637). xxvi Preface Captioned Diagrams More than 200 diagrams are accompanied by descriptive captions that reinforce the discus- sion in the text and help the student in reviewing the material. Learning Goals A list of essential concepts sets the stage for each chapter in the book. These learning goals help students assess their mastery of the material. Summary and Key Terms Each chapter closes with a summary recapitulating the major points. Key terms and phrases appear in boldface type when they are introduced in the chapter and are listed at the end of each chapter. To further aid student review of the material, key terms are italicized when they appear in the chapter summary. Problems Each chapter is followed by problems intended to test and solidify students’ comprehension. The problems range from routine computational drills to “big picture” questions suitable for classroom discussion. In many problems we ask students to apply what they have learned to real-world data or policy questions. Further Readings For instructors who prefer to supplement the textbook with outside readings, and for students who wish to probe more deeply on their own, each chapter has an annotated bibliography that includes established classics as well as up-to-date examinations of recent issues. Student and Instructor Resources MyEconLab is the premier online assessment and tutorial system, pairing rich online content with innovative learning tools. The MyEconLab course for the ninth edition of International Economics: Theory & Policy includes all end-of-chapter problems from the text, which can be easily assigned and automatically graded. Students and MyEconLab This online homework and tutorial system puts students in control of their own learning through a suite of study and practice tools correlated with the online, interactive version of the textbook and learning aids such as animated ﬁgures. Within MyEconLab’s structured environment, students practice what they learn, test their understanding, and then pursue a study plan that MyEconLab generates for them based on their performance. Instructors and MyEconLab MyEconLab provides ﬂexible tools that allow instructors easily and effectively to cus- tomize online course materials to suit their needs. Instructors can create and assign tests, quizzes, or homework assignments. MyEconLab saves time by automatically grading all questions and tracking results in an online gradebook. MyEconLab can even grade assign- ments that require students to draw a graph. Preface xxvii After registering for MyEconLab instructors have access to downloadable supplements such as an instructor’s manual, PowerPoint lecture notes, and a test bank. The test bank can also be used within MyEconLab, giving instructors ample material from which they can create assignments—or the Custom Exercise Builder makes it easy for instructors to create their own questions. Weekly news articles, video, and RSS feeds help keep students up to date on current events and make it easy for instructors to incorporate relevant news in lectures and homework. For advanced communication and customization, MyEconLab is delivered in Course- Compass. Instructors can upload course documents and assignments, and use advanced course management features. For more information about MyEconLab or to request an instructor access code, visit www.myeconlab.com. Additional Supplementary Resources A full range of additional supplementary materials to support teaching and learning accom- panies this book. The Study Guide, written by Linda S. Goldberg of the Federal Reserve Bank of New York, Michael W. Klein of Tufts University, Jay C. Shambaugh of Dartmouth College, and Hiroyuki Ito of Portland State University, aids students by providing a review of central concepts from the text, review questions, and answers to odd-numbered text- book problems. The Online Instructor’s Manual—updated by Hisham Foad of San Diego State University—includes chapter overviews and answers to the end-of-chapter problems. The Online Test Bank offers a rich array of multiple-choice and essay questions, plus mathematical and graphing problems, for each textbook chapter. It is available in Word, PDF, and TestGen formats. This Test Bank was carefully revised and updated by Robert F. Brooker of Gannon University. The Computerized Test Bank reproduces the Test Bank material in the TestGen software that is available for Windows and Macintosh. With TestGen, instructors can easily edit existing questions, add questions, generate tests, and print the tests in vari- ety of formats. The Online PowerPoint Presentation with Art, Figures, & Lecture Notes was revised by Amy Glass of Texas A&M University. This resource contains all text ﬁgures and tables and can be used for in-class presentations or as transparency masters. The Companion Web Site at www.pearsonhighered.com/krugman contains additional appendices. (See p. xx of the Contents for a detailed list of the Online Appendices.) Instructors can download supplements from our secure Instructor’s Resource Center. Please visit www.pearsonhighered.com/irc. Acknowledgments Our primary debt is to Noel Seibert, the acquisitions editor in charge of the project. Her guidance an

International Economics: Theory & Policy 9th Edition PDF

Document Details

Tags

Related

Summary

Full Transcript

Upgrade to continue