a)
The question requires us to calculate the price index.
a)
Answer to Problem 3FRQ
The price index for year 1 is 50, and for year 2 is 100.
Explanation of Solution
The formula for the price index is:
Given,
Price of goods in year 1 = $400
Price of goods in the base year (year 2 is the base year) = $800
The price index for year 1 is 50, and for year 2 is 100.
b)
The question requires us to calculate the inflation rate.
b)
Answer to Problem 3FRQ
Inflation rate between year 1 and year 2 is 100 percent.
Explanation of Solution
The inflation rate formula in terms of price index is:
From part 1,
Price index in year 1 = 50
Price index in year 2 = 100
Insert these values in the inflation formula:
The inflation rate between year 1 and year 2 is 100 percent.
c)
The question requires us to determine the years in which the economy experienced deflation.
c)
Answer to Problem 3FRQ
Between years 3 and 4, the economy is experiencing deflation in the market.
Explanation of Solution
Given,
Price in year 3 = $1000
Price in year 4 = $800
Rate of inflation between year 3 and year 4 is:
Between years 3 and 4, the economy is experiencing a negative inflation rate which represents deflation in the market.
d)
The question requires us to determine the years in which the economy experienced disinflation.
d)
Answer to Problem 3FRQ
Between years 2 and 3, the economy is experiencing disinflation.
Explanation of Solution
Given,
Price in year 2 = $800
Price in year 3 = $1000
Rate of inflation between year 2 and year 3 is:
Between years 2 and 3, the economy is experiencing a falling inflation rate which represents disinflation in the market.
Chapter 3R Solutions
Krugman's Economics For The Ap® Course
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