Economic Geography and the Gravity Model
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Questions and Answers

What best describes the concept of negative feedback in Diamond's Hypothesis?

  • A scenario in which two factors reciprocally influence each other positively.
  • A situation where one factor continuously encourages growth in another.
  • A state where factors do not affect each other whatsoever.
  • An occurrence where one factor positively influences another, while the latter negatively impacts the former. (correct)
  • In the context of the Gravity Model, how is space defined?

  • The quantity of goods traded between countries.
  • The total number of countries involved in trade.
  • The distance between two points which affects economic activity through transportation costs. (correct)
  • The geographical area occupied by agricultural activity.
  • Which statement reflects the relationship between trade and distance according to the Gravity Equation?

  • Distance has no impact on the amount of trade between countries.
  • Trade is independent of both economic size and distance.
  • Greater distance always results in higher trade activity.
  • Shorter distances between countries lead to increased trade due to lower transportation costs. (correct)
  • What is a potential negative effect of population density as mentioned in the context of epidemic diseases?

    <p>Greater likelihood of epidemic diseases emerging. (B)</p> Signup and view all the answers

    How is transportation cost related to trade according to the Gravity Model?

    <p>Distance and transportation costs are inversely proportional to trade volume. (D)</p> Signup and view all the answers

    Which factor does NOT contribute to the Gravity Equation for trade between two countries?

    <p>Cultural similarities between the countries. (C)</p> Signup and view all the answers

    What historical example is given to illustrate the impact of trade on epidemic diseases?

    <p>The Black Plague. (A)</p> Signup and view all the answers

    What aspect of traditional economics was highlighted as missing until more recent models like the Gravity Model?

    <p>Geographic factors. (A)</p> Signup and view all the answers

    What is the primary advantage of using an endogenous definition of regions over an exogenous definition?

    <p>It reflects changes in the economy more accurately. (B)</p> Signup and view all the answers

    How do local percentages assist in understanding industry distribution across regions?

    <p>They show the relative distribution of an industry in different regions. (D)</p> Signup and view all the answers

    What does the size-bias problem in data analysis refer to?

    <p>Overestimation because of larger, densely populated areas. (D)</p> Signup and view all the answers

    What do absolute measures indicate when analyzing regional industries?

    <p>They show the localized consistency of a phenomenon. (C)</p> Signup and view all the answers

    What does the location quotient measure in relation to a region?

    <p>The share of a given industry in both local and national contexts. (A)</p> Signup and view all the answers

    Why is the ‘working age’ factor significant when using population-based indicators in data analysis?

    <p>It affects the comparisons across different countries. (C)</p> Signup and view all the answers

    What is a key limitation of relative measures, including the location quotient?

    <p>They often underestimate the significance of small industries. (A)</p> Signup and view all the answers

    What role does comparison with national averages play in industry analysis?

    <p>It identifies clusters of firms or employment distribution. (A)</p> Signup and view all the answers

    In calculating local percentages, what does the denominator represent?

    <p>Total number of firms in the nation. (C)</p> Signup and view all the answers

    How does the total employment measure improve upon simpler population-based approaches?

    <p>It provides a better understanding of labor market effects. (A)</p> Signup and view all the answers

    What is the primary focus of concentration in economic analysis?

    <p>The location of a few, specific sectors (A)</p> Signup and view all the answers

    How does agglomeration differ from concentration?

    <p>Agglomeration analyzes a wider array of economic activities. (C)</p> Signup and view all the answers

    What does autarchy describe in terms of regional economic specialization?

    <p>Low concentration with one industry spread evenly across regions (C)</p> Signup and view all the answers

    Which dynamic results in a high concentration of industry at the core and a starving periphery?

    <p>Core-periphery dynamic (A)</p> Signup and view all the answers

    What term describes a highly specialized economy with concentrated industries?

    <p>Industrial district (A)</p> Signup and view all the answers

    What is a significant barrier to labor movement within the EU?

    <p>Different EU languages still act as barriers (C)</p> Signup and view all the answers

    What is a consequence of high specialization with low concentration in an economy based on natural resources?

    <p>Industries are scattered across several regions. (C)</p> Signup and view all the answers

    What is primarily analyzed when considering agglomeration in economic terms?

    <p>A larger ensemble of economic activities (D)</p> Signup and view all the answers

    What characterizes an ideal region in terms of soil and physical barriers?

    <p>Homogeneous plain with equal soil fertility (B)</p> Signup and view all the answers

    What is the relationship between the size of a settlement and the number of similar settlements nearby?

    <p>Larger settlements tend to have fewer similar settlements nearby (C)</p> Signup and view all the answers

    Which type of settlement provides the most basic services, characteristic of the lowest order?

    <p>Hamlet (B)</p> Signup and view all the answers

    What distinguishes high order services from low order services in a central place?

    <p>High order services are specialized services, while low order services are basic (A)</p> Signup and view all the answers

    What is the term used for the maximum distance a person is willing to travel to acquire goods and services?

    <p>Range of sale (A)</p> Signup and view all the answers

    Based on the principles discussed, what happens to the range of services as the population increases?

    <p>Range increases (C)</p> Signup and view all the answers

    How are the hexagonal regions in the model related to central places?

    <p>They maximize the efficiency of service provision (D)</p> Signup and view all the answers

    Which statement best describes the distribution of purchasing power in an ideal region?

    <p>Equally distributed across the region (D)</p> Signup and view all the answers

    What does a larger Gini Coefficient signify in terms of industrial distribution?

    <p>Higher inequality in industrial distribution (B)</p> Signup and view all the answers

    How is regional specialization primarily defined?

    <p>By the distribution of an industry's shares in total manufacturing (D)</p> Signup and view all the answers

    Which of the following statements accurately describes industrial concentration?

    <p>It indicates if an industry is localized to a few regions or widespread. (B)</p> Signup and view all the answers

    In the context of the Krugman-Gini Index, what would indicate a positive difference?

    <p>The first term is greater than the second term and both are positive. (B)</p> Signup and view all the answers

    What does the Location Quotient measure in comparison to the Krugman-Gini Index?

    <p>Location Quotient employs ratios whereas Krugman-Gini uses differences. (A)</p> Signup and view all the answers

    If a region has a high share of the paper industry in its total manufacturing, it is classified as:

    <p>Regionally specialized in industry (A)</p> Signup and view all the answers

    Which of the following mathematical expressions defines the measure of normalized Herfindahl?

    <p>SNH = SHi – 1/N / N-1/N (C)</p> Signup and view all the answers

    What is suggested about industries that are highly specialized?

    <p>They are responsible for a large portion of total production. (D)</p> Signup and view all the answers

    What does it imply if industry i is distributed exactly like total manufacturing at the regional level?

    <p>The difference in distribution will be zero. (B)</p> Signup and view all the answers

    Regional specialization can also be measured by its impact on which other area?

    <p>International trade (D)</p> Signup and view all the answers

    What does a location quotient greater than 1 indicate about a region's economy?

    <p>The region's economy is more specialized in that industry compared to the national level. (B)</p> Signup and view all the answers

    What should be considered when analyzing the location quotient in regions with low manufacturing?

    <p>The low denominator could inflate the location quotient. (B)</p> Signup and view all the answers

    Which factor does the ideal index of Spatial Concentration (SC) depend on?

    <p>The number of areas where the studied phenomenon is present. (D)</p> Signup and view all the answers

    How is the Herfindahl Index calculated?

    <p>By summing the squares of the share of industry in a given region. (A)</p> Signup and view all the answers

    What does the Spatial Concentration ratio measure?

    <p>The degree to which an industry is concentrated in certain regions. (A)</p> Signup and view all the answers

    What is indicated by a Herfindahl Index value of 1?

    <p>The industry is monopolized in one area. (A)</p> Signup and view all the answers

    What relationship should be examined to improve a region's specialization?

    <p>The ratio of the region's specialization compared to the national specialization. (B)</p> Signup and view all the answers

    Why might official statistics underestimate creative employment in a country?

    <p>They do not account for creative roles in non-creative industries. (B)</p> Signup and view all the answers

    Which of the following is an implication of a location quotient less than 1?

    <p>The region's economy is less specialized in that industry compared to the national level. (B)</p> Signup and view all the answers

    What can be inferred if the number of areas where an industry exists is small?

    <p>The industry is likely to be more spatially concentrated. (D)</p> Signup and view all the answers

    Flashcards

    Outlet and prospect factors

    The concept that some outlet factors directly promote growth, while prospect factors influence growth indirectly.

    Negative feedback

    A dynamic system where two elements influence each other in opposite directions: one element's increase leads to the other's decrease, and vice versa, resulting in a state of balance.

    Diamond's hypothesis

    The idea that increased population density can lead to negative feedback by making outbreaks of diseases more likely, ultimately limiting growth.

    Gravity model

    An economic model that uses the concept of gravity to represent the influence of distance and economic size on trade between countries.

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    Distance as a transportation cost

    In the gravity model, distance between countries represents transportation costs, a key factor in trade volume.

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    Gravity equation

    The amount of trade between two countries is influenced by their respective GDPs and the distance between them.

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    Geography in economic models

    The gravity model highlights how geography and space are important elements to consider in economic analysis.

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    Transportation costs and trade

    The gravity model emphasizes that transportation costs are a significant factor in international trade.

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    Location Quotient

    A measure of the relative specialization of a region in a particular industry compared to the national average. It's calculated by dividing the share of the industry's employment in the region by the industry's share of national employment.

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    Industrial Cluster

    A group of industries that are interconnected and mutually supportive, often located in close proximity to each other.

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    Regional Specialization

    The proportion of a region's employment in a particular industry compared to the region's total employment.

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    Specialist Creatives

    People working in creative occupations within creative industries, including those working in other sectors but contributing to creative activities.

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    Herfindahl Index

    The sum of the squares of the shares of an industry in each region, measuring how concentrated an industry is in specific locations.

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    Exogenous Region

    Regions defined based on administrative boundaries, like states or provinces, regardless of economic factors.

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    Endogenous Region

    Regions defined based on economic connections and interactions, reflecting actual business and trade relationships.

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    Simple Counts (Xir)

    The number of firms, employees, or sales in a specific industry within a region, providing an absolute measure of the industry's presence.

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    Local Percentage (AXir)

    The percentage of a specific industry's total activity in a region compared to the national total, highlighting the local share of that industry.

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    Population-Weighted Indicator (PXir)

    A measure of the absolute presence of an industry in a region, considering the size of the regional population.

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    Total Employment Weighted Indicator (MXir)

    A measure of absolute presence, comparing the industry's activity in a region to the region's total employment, accounting for the region's industrial size.

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    National Total Weighted Indicator (IXir)

    A measure of absolute presence, comparing the industry's activity in a region to the national total of that industry, gauging the regional concentration of the industry.

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    Size-Bias Problem

    A problem that arises when comparing industries across regions with different population sizes, leading to overestimation of clusters in larger areas.

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    Absolute Measures

    Measures that adjust for population size or other factors, ensuring a fair comparison of industrial activity across regions with varying sizes.

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    What is a central place?

    A settlement that offers goods and services to the surrounding population, categorized by the level of services offered.

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    What are low-order settlements?

    Settlements that provide only basic services, like grocery stores or newsagents.

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    What are high-order settlements?

    Settlements that offer specialized services, like consultancy firms or universities, often found in larger cities.

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    What is the range of sale?

    The maximum distance people are willing to travel to acquire a specific good or service.

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    What are the key assumptions of the central place theory?

    The theoretical model assumes a perfectly flat and homogeneous landscape, with equal soil fertility and transportation networks.

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    What is the relationship between settlement size and distribution?

    The theory predicts that the larger the settlement, the fewer similar settlements there will be, and the farther apart they are.

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    How does population influence the range of sale?

    As the population of a settlement increases, the range of goods and services offered also increases.

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    How are central places represented spatially?

    The central place theory uses hexagonal regions to represent the areas served by different settlements, each with a unique range of influence.

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    Spatial Concentration of Industry

    The larger the difference between the cumulative share of a specific industry and the overall manufacturing share in a region, the greater the industry's spatial concentration in that area. A perfectly equal distribution would result in a zero difference, indicating no specific concentration.

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    Krugman-Gini Index

    A measure of how unevenly a specific industry is distributed across regions. It is calculated by taking half the absolute difference between the shares of the industry and total manufacturing in each region, and summing across all regions. A higher Gini coefficient indicates greater inequality and spatial concentration.

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    Geographic Industrial Concentration

    The proportion of a region's share in the total production, exports, or trade of an individual industry. A high concentration means a significant share of that industry's activity occurs in a few specific regions.

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    Location Quotient (LQ)

    A measure of a region's specialization in a particular industry, calculated by dividing the share of the industry's employment in the region by the industry's share of national employment. An LQ above 1 indicates a region is specialized in that industry.

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    Correlation between Specialization and Concentration

    The concept that regional specialization and geographic industrial concentration are interconnected. One influences the other, as a region's specialization in an industry often leads to higher concentration of that industry in the region.

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    Spatial Distribution of Industry

    The distribution of a specific industry across different regions, influenced by factors like resources, infrastructure, labor costs, and market proximity. It reflects how the industry is spatially organized.

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    Spatial Inequality of Industry

    A measure of how evenly distributed an industry is across different regions. A higher index indicates greater inequality, meaning the industry is concentrated in a few regions.

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    Concentration

    A concept that studies the spatial distribution of a specific industry sector, analyzing how specific industries concentrate across different geographical areas.

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    Agglomeration

    Analyzing the spread of a broader group of industries, like the entire manufacturing sector, across locations.

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    Core-Periphery Dynamic

    A high concentration of industries in specific areas, creating a core, while other regions, the periphery, are left with limited industry development.

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    Autarchy

    An economic system where regions are self-sufficient, producing all goods they consume, with low industry concentration.

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    Industrial District

    A strong presence of specialized industries clustered in a specific region.

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    Natural Resources

    Regions with high specialization in a particular industry, but low concentration, often due to natural resource distribution.

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    EU Labor Movement

    The movement of workers between countries in the EU is much more limited than in the US.

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    Retaining Component

    High homeownership in Italy has contributed to the immobility of labor as people are less likely to relocate due to owning their house.

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    Study Notes

    Economic Geography

    • Economic geography studies the location, distribution, and spatial organization of economic activities globally.
    • It's a traditional subfield of geography, but economists also approach it through an economic lens.
    • Various approaches exist, including industry location, agglomeration economies, transportation, international trade, development, urban economics, and the relationship between the economy and the environment.
    • Economic development is uneven across geographic scales.

    Course Content

    • What is Economic Geography?: Introduces concepts of economic geography, issues, and methods.

    • Why Economic Geography Matters?: Highlights the significance of economic geography with regards to economic activities.

    • Stylised Facts:

      • Location patterns of economic activities, agglomeration (concentration), and specialization.
      • International and intra-regional economic flows.
    • Models:

      • Classical location theory.
      • New economic geography.
      • Theories of path dependence and evolutionary geography.
    • Empirical Evidence: Provides factual data about economic issues.

    • Policy Implications: Offers solutions to economic problems.

    Adam Smith

    • Limited division of labor by market extent.
    • Limited international trade in Africa due to lack of large inlets and rivers.
    • Loss in productivity due to time spent going from one division of labor (manufacturing sector) to another.
    • Africa's low ratio of coastline to inland area limits market size, contrasted with Europe.

    Diamond's Hypothesis

    • Eurasian development was accelerated by an east-west axis allowing for easier species and technology transfer, in contrast to the north-south axis of Africa and the Americas, which limited this.
    • Domestication of plants and animals, early villages and food production = crucial factors in the development of stratified societies.
    • Technological advancements arise first because of food surplus and storage which allow for sedentary and stratified societies. These societies also gave rise to and improved technology.
    • A positive feedback loop was created where societies could develop further because of the advancements they made, providing more resources to further support those advancements.

    Gravity Model

    • A spatial economic model in which the flow of trade or exports between countries is a function of their economic sizes and distance.
    • The larger a country's economy (GDP), and the closer it is to another country, the greater the flow of exports.
    • Distance, in this model, can be a proxy for transportation costs

    Clustering

    • What is Clustering?: The concentration of economic activity (ex. firms) in specific locations.
    • Types:
    • Clustering: firms tend to concentrate in particular locations.
    • Avoidance: firms try to keep as much distance as possible between each other.
    • Independence: no obvious pattern or tendency.
    • Data: Economic activities are studied at varying geographic and industry levels of aggregation to avoid issues.

    Theories of Clustering

    • Classical location theory.
    • General equilibrium models.
    • Strategic interaction models.
    • New economic geographic approaches.
    • Industrial geography.
    • Porter's competitive advantage framework.
    • Jacobs urban variety models.
    • Path dependence theory: Historical accidents and early events often have disproportionately large effects on subsequent outcomes.
    • Ecological/biological models: Analogy drawing from the behavior of biological systems for understanding complexity and the dynamic nature of industries and clusters.

    Measures of Spatial Inequality

    • Spatial Coefficient of variation: A measure of the dispersion of an industry in a given region. Values of 0 mean uniform distribution while high values indicate uneven spread.
    • Gini Coefficient: A broader measure of economic inequality, as well as spatial/locational inequality. It generally ranges between 0 and 1, with higher values indicating greater inequality.

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    Economic Geography Notes PDF

    Description

    Explore the intricate relationships in economic geography through questions about the Gravity Model and its implications for trade and population density. Test your understanding of concepts such as negative feedback, transportation costs, and the connection between trade and epidemic diseases.

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