The short-run supply curve for a firm in a perfectly competitive market is
a. horizontal.
b. likely to slope downward.
c. determined by forces external to the firm.
d. the portion of its marginal cost curve that lies above its average variable cost.
d
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Market equilibrium occurs when
A. the quantity demanded equals the quantity supplied. B. the market is changing rapidly. C. other things remain the same. D. buyers get the lowest possible price. E. everyone who wants the good gets the quantity he or she wants.
If the demand for labor is plotted against the money wage, with the money wage on the vertical axis, then
a. an increase in the price level will cause the labor demand schedule to shift to the right. b. an increase in the money wage will cause the labor demand schedule to shift to the left. c. an increase in the money wage will cause the labor demand schedule to shift to the right. d. the labor demand schedule will be upward sloping.
An insured person's incentive to behave in ways that raise the probability of a claim is known as:
a. a moral hazard. b. the lemons problem. c. the problem of adverse selection. d. the problem of advantageous selection.
U.S. real GDP is substantially higher today than it was 60 years ago. What does this tell us, and what does it not tell us, about the well-being of U.S. residents?