A reason why a firm's demand for labor curve slopes downward is that, holding everything else constant,
A) the extra cost of hiring additional units of labor increases as a firm hires more units of labor.
B) as more labor is hired, labor's marginal product falls due to diminishing marginal returns.
C) the firm's demand curve for the product produced by the labor is downward sloping.
D) each additional unit of labor hired is less efficient than previously hired units.
B
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The lesson of __________ is to forget about the money that's irretrievably gone and instead to focus on the marginal costs and benefits of future options.
A. marginal utility B. sunk costs C. marginal analysis D. budget constraints
An increase in aggregate demand is shown by a
A) rightward shift of the AD curve. B) movement upward along the AD curve. C) movement downward along the AD curve. D) leftward shift of the AD curve.
Debt service
A. Is a discretionary component of the federal budget. B. Is a redistribution, so it does not entail opportunity costs. C. Does not cost the government because it can issue new debt. D. Refers to the annual interest payments on the debt.
U.S. firms can produce and sell electric fans for $25. The United States can also import electric fans from China at $40 each and from Canada at $45 each. Electric fans made in the United States, China, and Canada are identical. Currently, the United States imposes a 30% tariff on imported electric fans. From which of the following countries will the United States import fans?
a. China b. Canada c. It will import fans from neither China nor Canada. d. It will import fans from both China and Canada.