Macro Unit 2.5- CPI Practice AP Macroeconomics

The video tutorial introduces the concept of the Consumer Price Index (CPI) within macroeconomics, explaining how it measures inflation through a Market Basket of goods. It provides a detailed guide on calculating CPI using different base years, with examples and practice problems to reinforce understanding.

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

• To measure the economic growth of a country

• To track changes in the cost of living over time

• To calculate the GDP of a nation

• To determine the unemployment rate

What does a Market Basket represent in the context of CPI?

• A basket of stocks in the financial market

• A set of government policies affecting prices

• A list of luxury items purchased by consumers

• A collection of goods and services used to measure inflation

How is the CPI calculated using a Market Basket?

• By dividing the cost of the basket in the current year by the cost in the base year and multiplying by 100

• By adding the costs of the basket in all years and dividing by the number of years

• By subtracting the base year cost from the current year cost

• By multiplying the current year cost by the base year cost

What is the significance of a base year in CPI calculations?

• It is the year with the lowest inflation rate

• It is the year when the CPI was first introduced

• It serves as a reference point for comparing price changes

• It is the year with the highest inflation rate

If the CPI is 200, what does it indicate about prices compared to the base year?

• Prices have remained the same

• Prices have doubled

• Prices have decreased by 50%

• Prices have increased by 200%

What does a CPI value of 80 indicate about prices compared to the base year?

• Prices are 20% higher

• Prices are 20% lower

• Prices have doubled

• Prices have remained the same

In the practice exercise, if the base year is 2010 and the CPI for 2011 is 200, what does this mean?

• Prices have decreased by 50%

• Prices have increased by 100%

• Prices have remained the same

• Prices have increased by 200%