Macroeconomics is best described as the study of
A. the relationship between inflation and wage inequality.
B. the nation's economy as a whole.
C. very large issues.
D. the choices made by individual households, firms, and governments.
Answer: B
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Bobby was researching the economic growth of a country between 2006 and 2011. Using 2006 as the base year, he calculated a twelve percent increase for real GDP and a ten percent increase for nominal GDP. His results indicate that
A) he made an error when calculating nominal GDP. B) the quantity of goods and services produced decreased over the period. C) the quantity of goods and services produced increased and prices decreased over the period. D) the quantity of goods and services produced and prices both decreased over the period. E) the quantity of goods and services produced did not change and prices decreased over the period.
A subsidy to firms intended to reduce pollution in an industry would
A. shift the LRAC curve upward. B. have the same impact on the firm as a tax. C. likely drive some existing firms from the industry. D. likely have the paradoxical effect of increasing pollution in the industry in the long run.
The short-run supply curve of a perfectly competitive firm is: a. the average variable cost curve
b. the average total cost curve. c. the same as the demand curve. d. marginal cost above average variable cost.
In the long run the market supply
a. must always be horizontal. b. could be upward sloping if the cost of production falls as new firms enter the market. c. could be upward sloping if the cost of production rises as new firms enter the market. d. could be upward sloping if technological improvements lower the cost of producing in the market.