The theory that there are no predictable trends in securities prices that can be used to "get rich quick" is the
A) dartboard theory.
B) random walk theory.
C) Wall Street theory.
D) inefficient market hypothesis.
B
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Refer to Table 11.1. If the marginal propensity to consume decreases to 0.05 (MPC = 0.05), what is the new equilibrium level of output?
A) 2,366.67 B) 3,166.67 C) 3,550.00 D) 4,750.00
Refer to Figure 28-1. Suppose that the economy is currently at point A, and the unemployment rate at A is the natural rate. What policy would the Federal Reserve pursue if it wanted the economy to move to point C in the long run?
A) Sell treasury bills. B) Increase the money supply. C) Lower the discount rate. D) Buy treasury bills. E) No policy will move the economy to point C in the long run.
Diseconomies of scale
A. exist when long-run average cost increases as output increases. B. exist when fixed cost increases as output increases. C. result eventually as the firm uses more and more labor with a fixed capital stock. D. both a and b E. all of the above
Monopolistically competitive firms fail to fully realize their economies of scale.
Answer the following statement true (T) or false (F)