In the figure above, the curve labeled "X" can be a
A) monopoly's demand curve.
B) monopoly's marginal revenue curve.
C) perfectly competitive firm's demand curve.
D) perfectly competitive firm's marginal revenue curve.
A
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? If a consumer is currently at Point E on Figure 5-13, she will
A. choose to move to the combination at C to make herself better off. B. choose to move to the combination at D to make herself better off. C. reduce expenditures to make herself better off. D. stay at Point E, since that combination is the cheapest alternative to be on indifference curve U1.
An economist encounters some unexpected behavior in a market or laboratory setting. How can he or she distinguish between behavior resulting from mistakes by decision makers as opposed to being decisions based on unusual preferences?
a. If the same behavior is observed repeatedly even after opportunities to learn are provided, it is probably not a mistake. b. If the behavior is observed more often with inexperienced subjects, it is likely a mistake. c. Both a and b. d. It is impossible to distinguish between mistakes and unusual preferences empirically.
Long-run full-employment equilibrium assumes: a. a downward-sloping production function. b. a downward-sloping long-run supply curve (LRAS)
c. the CPI index price level equals the equilibrium wage rate. d. the CPI equals aggregate demand (AD) equals short-run aggregate supply (SRAS) equals long-run aggregate supply (LRAS).
The main purpose of the Fed is to
a. serve as the bankers' bank for member banks. b. regulate interest rates. c. print Federal Reserve Notes. d. regulate financial institutions. e. maintain the proper functioning of our money system.