Suppose that the consumer price index in Eastlandia rises from 150 to 159 over the past year, and that the city sets its car registration prices so that real prices stay the same. If the cost to register a car was $50 last year, how much would it cost this year, in nominal terms?
a) $50
b) $53
c) $56
d) $59
Ans: b) $53
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A perfectly competitive firm has a random marginal cost with a 60 percent chance of a high marginal cost of $100 and a 40 percent chance of a low marginal cost of $90. What is the firm's expected marginal cost?
A) $94 B) $98 C) $92 D) $96
The primary effect of OPEC actions in the period from 1973 to 1980 was to increase
a. wage rates. b. interest rates. c. employment and output. d. energy prices.
The historical record indicates that foreign aid has
a. played a major role in helping formerly poor countries grow rapidly and achieve high income levels. b. re-enforced corrupt governments and policies that stifle productive activities. c. helped poor countries escape counterproductive policies imposed by authoritarian political leaders. d. promoted economic growth, but slowed the movement toward political democracy.
If a hurricane were to wipe out the majority of the eastern seaboard in the United States:
A. neither the short-run nor long-run aggregate supply curves would be affected. B. only the long-run aggregate supply curve would shift left. C. only the short-run aggregate supply curve would shift left. D. the long-run and short-run aggregate supply curves would both shift left.