In contrast to the long run, in the short run
a) changes in wages may lag behind changes in employment
b) the economy produces at full capacity
c) GDP follows a steady trend without fluctuations
d) the aggregate supply curve is vertical
e) the quantity of money has no effect on output
a) changes in wages may lag behind changes in employment
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Refer to the figure above. If the government of China wants to keep the exchange rate below E yuan per dollar:
A) it will have to buy dollar and sell yuan. B) it will have to buy yuan and sell dollars. C) it will have to buy both dollars and yuan. D) it will have to sell both dollars and yuan.
Suppose output is $35 billion, government purchases are $10 billion, desired consumption is $15 billion, and net exports are $4 billion. Then desired investment equals
A) $2 billion. B) $4 billion. C) $6 billion. D) $8 billion.
Carolyn's Pottery Shop produces vases that sell for $15 each. Assume that labor is the only input that varies for the firm. If Carolyn hires 10 workers, she can produce and sell 500 vases per week. If she hires 11 workers, she can produce and sell 560 vases per week. Carolyn pays each of her workers $400 per week. Which of the following is correct?
a. For the 11th worker, the marginal profit is $500. b. For the 11th worker, the marginal revenue product is $500. c. The firm is maximizing its profit. d. If the firm is employing 11 workers, then its profit would increase if it cut back to 10 workers.
If the marginal cost of reducing pollution is positive, then:
A. the optimal amount of pollution is zero. B. the marginal benefit of reducing pollution is zero. C. the optimal amount of pollution is greater than zero. D. pollution should be reduced as much as technically feasible.