Economists who identify a goal and then design a mechanism to achieve that goal are engaging in:
A. choice architecture.
B. laissez-faire policies.
C. setting money prices.
D. mechanism design.
Answer: D
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From one year to the next, a country's output rose from 4000 to 4500, its capital stock rose from 10,000 to 12,000, and its labor force declined from 2000 to 1750. Suppose aK = 0.3 and aN= 0.7
(a) How much did capital contribute to economic growth over the year? (b) How much did labor contribute to economic growth over the year? (c) How much did productivity contribute to economic growth over the year?
Suppose an oil company wants to make its total revenue as large as possible. It should charge a price at which the demand for oil is:
a. elastic. b. unitary elastic. c. inelastic. d. perfectly inelastic.
When a firm hires an additional unit of labor, the increase in a firm's total revenues is known as the marginal:
a. cost. b. product. c. utility product. d. revenue product.
What would lead an economist to conclude that Theory A is superior to Theory B?
A) Theory A predicts real-world events better than does Theory B. B) The assumptions underlying Theory A are more realistic than are the assumptions underlying Theory B. C) Theory A explains how people think, whereas Theory B only explains what they do. D) Theory A is based on the assumption that an individual typically cannot determine what is in his or her own best interest, whereas Theory B assumes that each person knows what is in his or her own best interest and acts accordingly.