Consumer Price Index Overview

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Questions and Answers

What is the primary purpose of the Consumer Price Index (CPI)?

  • To monitor changes in the cost of living over time. (correct)
  • To measure the total quantity of goods produced in an economy.
  • To assess the overall health of a nation's stock market.
  • To track fluctuations in the unemployment rate.

If the CPI rises, what does this generally imply for a typical family?

  • They need to spend more dollars to maintain the same standard of living. (correct)
  • They will experience an improvement in their overall economic situation.
  • They can maintain their current lifestyle with less spending.
  • They need to spend fewer dollars to maintain the same lifestyle.

Which economic condition is defined by a rising overall price level in an economy?

  • Inflation (correct)
  • Recession
  • Stagnation
  • Deflation

What does the inflation rate represent?

<p>The percentage increase in the price level from the previous period. (B)</p> Signup and view all the answers

What is the first step in computing the CPI?

<p>Determine the basket of goods and services. (C)</p> Signup and view all the answers

Following the determination of the basket, what is the next step in the CPI calculation process?

<p>Finding the prices of goods and services in the basket. (B)</p> Signup and view all the answers

Statistics Canada uses data on how many goods and services to compute the CPI each month?

<p>More than 600 different goods and services. (C)</p> Signup and view all the answers

What is the last step in computing the CPI and the inflation rate?

<p>Computing the inflation rate. (B)</p> Signup and view all the answers

Besides the overall Consumer Price Index (CPI), what other price indexes are calculated by Statistics Canada?

<p>Indexes for each province and territory, for 19 cities across Canada, and for narrow categories of goods and services. (B)</p> Signup and view all the answers

What is 'core' inflation designed to measure?

<p>The underlying trend in inflation. (C)</p> Signup and view all the answers

Which of the following is NOT identified as a problem in measuring the cost of living using the CPI?

<p>Changes in the national debt. (B)</p> Signup and view all the answers

It is estimated that biases in the CPI cause it to:

<p>Overstate the cost of living by 0.5%. (B)</p> Signup and view all the answers

What is a key difference in what is reflected in the GDP deflator, compared to the CPI?

<p>The GDP deflator reflects the price of goods and services produced domestically. (A)</p> Signup and view all the answers

In the context of calculating the CPI, what does the term 'basket' refer to?

<p>A fixed set of goods and services whose prices are tracked. (C)</p> Signup and view all the answers

What does a divergence between the GDP deflator and the CPI primarily indicate?

<p>That the price of domestically-produced goods and services is changing differently from those purchased by consumers. (C)</p> Signup and view all the answers

Given a CPI basket of {10 kg beef, 20 kg chicken}, base year price of beef is $4/kg and chicken is $4/kg and the CPI basket cost $120 in the base year, what does this imply about the base year CPI?

<p>The base year CPI was 100. (C)</p> Signup and view all the answers

What was the cost of the CPI basket in 2022?

<p>$150 (B)</p> Signup and view all the answers

What was the calculated CPI in 2023, using the 2022 base year?

<p>175 (B)</p> Signup and view all the answers

What was the calculated rate of CPI inflation from 2022 to 2023?

<p>40% (B)</p> Signup and view all the answers

The primary reason for measuring the overall level of prices in an economy is to:

<p>Compare dollar figures across time. (A)</p> Signup and view all the answers

If consumers substitute cheaper goods for those that have increased in price, the CPI tends to:

<p>Overstate inflation. (A)</p> Signup and view all the answers

The CPI measures approximately the same economic phenomenon as which of the following?

<p>The GDP deflator (C)</p> Signup and view all the answers

What is the base cost that is required to calculate the CPI?

<p>$120 (C)</p> Signup and view all the answers

What values are used for calculating the CPI inflation rate from 2022 to 2023?

<p>The CPI in each year (A)</p> Signup and view all the answers

To compare the price of gasoline in 1957 with the price in 2021, what adjustment is necessary?

<p>Inflate the 1957 price to 2021 dollars. (A)</p> Signup and view all the answers

What is the primary function of indexation?

<p>To automatically correct dollar amounts for the effects of inflation. (C)</p> Signup and view all the answers

What does a cost-of-living allowance (COLA) do, in relation to the CPI?

<p>Automatically raises wages when the CPI rises. (D)</p> Signup and view all the answers

When you deposit $1000 in a bank account that earns 10 percent interest per year, what does it mean in terms of wealth?

<p>Your wealth after one year is dependent of the actual inflation rate. (D)</p> Signup and view all the answers

An interest rate that doesn't take inflation into account is best described as:

<p>Nominal interest rate. (D)</p> Signup and view all the answers

What is the real interest rate?

<p>The interest rate which factors in inflation. (D)</p> Signup and view all the answers

According to the information, if the CPI is 200 for the year 1980, and 300 today, what can we conclude about $600 in 1980?

<p>It has the same purchasing power as $900 today. (A)</p> Signup and view all the answers

If you deposit $2000 in a savings account and a year later have $2100, what is the nominal interest rate earned?

<p>5% (A)</p> Signup and view all the answers

Flashcards

Consumer Price Index (CPI)

A measure of the overall cost of goods and services bought by a typical consumer.

Inflation Rate

The percentage change in the price level from the previous period.

Inflation

A situation where the economy's overall price level is rising.

Base Year

The year used as a benchmark to compare prices over time.

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Consumer Basket

A basket of goods and services that represents the typical purchases of a consumer.

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CPI Calculation

The process of calculating the cost of a basket of goods and services at different points in time.

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Determining the Basket

The process of determining which prices are most important to the typical consumer.

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Finding Prices

The process of collecting price data for each good and service in the basket at different time periods.

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What does the Consumer Price Index (CPI) measure?

The Consumer Price Index (CPI) is a measure of the overall cost of goods and services bought by a typical consumer. It is often used to calculate the inflation rate.

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What is the cost of the CPI basket?

The cost of the CPI basket is the total cost of purchasing all of the goods and services in the CPI basket for a particular year. It is used to calculate the CPI.

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How is the CPI for a specific year calculated?

The CPI in a specific year is calculated by dividing the cost of the CPI basket in that year by the cost of the CPI basket in the base year and then multiplying by 100.

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What is the CPI inflation rate?

The CPI inflation rate is the percentage change in the CPI from one year to the next. It measures how much prices have risen over time.

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Why is the CPI important?

The CPI is used to measure inflation, a general increase in the price level of goods and services over time. This can affect the purchasing power of consumers.

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What is the Consumer Price Index (CPI)?

A weighted average of prices of a basket of consumer goods and services, used to measure the overall level of prices in the economy.

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How is the CPI calculated geographically?

The CPI is calculated for different geographical regions, including provinces, territories, and major cities.

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What is 'core' inflation?

A measure of the underlying trend in inflation, excluding volatile price changes in certain categories like food and energy.

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What's a limitation of the CPI related to consumer behavior?

The CPI is not a perfect measure of the cost of living. One reason is that consumers tend to substitute cheaper goods for more expensive goods when prices rise, which is not fully captured by the CPI.

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How do new goods make the CPI less accurate?

Another limitation of the CPI is the introduction of new goods, which are often not included in the initial basket and therefore don't affect the CPI as much as they should.

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Why might the CPI overestimate inflation?

The CPI doesn't perfectly account for improvements in the quality of goods, which can actually reduce the cost of living.

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What's the difference between the CPI and the GDP deflator?

The GDP deflator measures the price level of all goods and services produced in a country, while the CPI measures the price level of a basket of goods and services purchased by typical consumers.

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Why are both the CPI and the GDP deflator important?

Both the GDP deflator and the CPI are important indicators for policymakers and economists to understand price changes in the economy.

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Inflating Money

Adjusting a dollar amount for inflation to compare it with a different time period.

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Indexation

The automatic correction of a dollar amount for the effects of inflation by law or contract. It ensures that the value of money is not eroded by rising prices.

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COLA (Cost-of-Living Allowance)

A cost-of-living allowance that automatically increases wages when the Consumer Price Index (CPI) rises. This aims to keep wages in line with the rising cost of living.

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Nominal Interest Rate

The interest rate quoted without considering the effects of inflation.

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Real Interest Rate

The interest rate that factors in the effects of inflation. It tells you the real gain in purchasing power after adjusting for price changes.

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Why Correct For Inflation With Interest Rates?

Comparing money amounts across time, considering the effects of inflation, is crucial for understanding interest rates. It helps determine the true value of money over time.

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Are You Really Wealthier?

The gains from interest earned may not necessarily make you wealthier if inflation has eroded the purchasing power of your money.

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The Importance of Real and Nominal Interest Rates

Understanding the difference between nominal and real interest rates is essential for making sound financial decisions. Nominal interest rates alone can be misleading.

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Study Notes

PowerPoint Presentations for Principles of Macroeconomics

  • Ninth Canadian Edition by Mankiw/Kneebone/McKenzie
  • Adapted for the Ninth Canadian Edition by Marc Prud'Homme, University of Ottawa
  • Copyright © 2024 Cengage Learning Ltd.

Measuring the Cost of Living (Chapter 6)

  • Economists use the consumer price index (CPI) to monitor changes in the cost of living.
  • When the CPI rises, families need to spend more money to maintain the same standard of living.
  • Inflation describes a situation where the economy's overall price level is rising.
  • The inflation rate is the percentage change in the price level from the previous period.

The Consumer Price Index (CPI)

  • The CPI is a measure of the overall cost of goods and services bought by a typical consumer.
  • Statistics Canada calculates and reports the CPI monthly.
  • The CPI uses data on the prices of over 600 different goods and services.

How the CPI is Calculated

  • Five steps are used to calculate the CPI and the inflation rate:
    1. Determine the basket of goods and services most important to the typical consumer.
    2. Find the prices of each good and service in the basket during different time periods.
    3. Compute the basket's cost at various time periods.
    4. Choose a base year and compute the CPI for each year.
    5. Compute the inflation rate.

Problems in Measuring the Cost of Living

  • The CPI is not a perfect measure of the cost of living due to these biases:
    1. Commodity substitution bias: consumers switch to cheaper goods when prices rise.
    2. Introduction of new goods: the basket doesn't account for new products.
    3. Unmeasured quality changes: changes in product quality aren't fully reflected in the CPI.

The GDP Deflator Versus the CPI

  • Economists and policymakers use both the GDP deflator and CPI to gauge rising prices.
  • The GDP deflator reflects the prices of goods and services produced domestically. This differs from the CPI, which measures the prices of goods and services purchased by consumers.

Active Learning - Calculate the CPI

  • An example is provided, calculating the CPI for different years.
  • Data includes prices for beef and chicken in various years, and a basket of these products.
  • The CPI is calculated by comparing the basket cost of different years.

An Overview of Canada's Consumer Price Index (CPI)

  • Links to YouTube videos discussing the CPI are provided.

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