Self-Check Questions


Table 8.4 shows the prices of fruit purchased by the typical college student from 2001 to 2004. What is the amount spent each year on the basket of fruit with the quantities shown in column 2?

Items Qty (2001) Price (2001) Amount Spent (2002) Price (2002) Amount Spent (2003) Price (2003) Amount Spent (2004) Price (2004) Amount Spent
Apples 10 $0.50 $0.75 $0.85 $0.88
Bananas 12 $0.20 $0.25 $0.25 $0.29
Grapes 2 $0.65 $0.70 $0.90 $0.95
Raspberries 1 $2 $1.90 $2.05 $2.13 $2.13
Table 8.4

Construct the price index for a fruit basket in each year using 2003 as the base year.


Compute the inflation rate for fruit prices from 2001 to 2004.


Edna is living in a retirement home where most of her needs are taken care of, but she has some discretionary spending. Based on the basket of goods in Table 8.5, by what percentage does Edna’s cost of living increase between time 1 and time 2?

Items Quantity (Time 1) Price (Time 2) Price
Gifts for grandchildren 12 $50 $60
Pizza delivery 24 $15 $16
Blouses 6 $60 $50
Vacation trips 2 $400 $420
Table 8.5

How Changes in the Cost of Living are Measured introduced a number of different price indices. Which price index would be best to use to adjust your paycheck for inflation?


The Consumer Price Index is subject to the substitution bias and the quality/new goods bias. Are the Producer Price Index and the GDP Deflator also subject to these biases? Why or why not?


Go to this website for the Purchasing Power Calculator at How much money would it take today to purchase what one dollar would have bought in the year of your birth?


If inflation rises unexpectedly by five percent, would a state government that had recently borrowed money to pay for a new highway benefit or lose?


How should an increase in inflation affect the interest rate on an adjustable-rate mortgage?


A fixed-rate mortgage has the same interest rate over the life of the loan, whether the mortgage is for 15 or 30 years. By contrast, an adjustable-rate mortgage changes with market interest rates over the life of the mortgage. If inflation falls unexpectedly by three percent, what would likely happen to a homeowner with an adjustable-rate mortgage?


This section may include links to websites that contain links to articles on unrelated topics.  See the preface for more information.