Principles of Economics 2e
2nd Edition
ISBN: 9781947172364
Author: Steven A. Greenlaw; David Shapiro
Publisher: OpenStax
Textbook Question
Chapter D, Problem 19CTQ

Exercise D19

What does it mean when the aggregate expenditure line crosses the 45-degrss line? In other words, how would you explain the intersection in words?

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Refer to the figure below: Insurance and pensions 11.9% Item a. Entertainment b. Transportation c. Clothing Housing 32.8% Item Weight 0.053 0.159 0.03 Entertainment 5.3% Transportation 15.9% Price Change 20% -8% 100% Health care 8.1% Source: U.S. Bureau of Labor Statistics, Consumer Expenditure Survey (2018 data). Use the item weights in the figure to determine the percentage change in the CPI that would result from a(n) a. 20 percent increase in entertainment prices. b. 8 percent decrease in transportation costs. c. doubling of clothing prices. (Note: Review the table titled "Computing Changes in the CPI" in your text for assistance.) Instructions: Enter your responses as a percentage rounded to two decimal places. If you are entering any negative numbers be sure to include a negative sign (-) in front of those numbers. Food 12.9% Impact on CPI (Inflation Effect) Clothing 3.0% Miscellaneous 10.1%
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