Each of the following would increase the supply of U.S. dollars, shifting the supply curve for dollars to the right, except:
A. an increase in the real interest rate on foreign assets.
B. an increase in U.S. real GDP.
C. an increased preference for foreign-made goods.
D. an appreciation of the U.S. dollar relative to other currencies.
Answer: D
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Arnold Harberger was the first economist to estimate the loss of economic efficiency due to market power. Since Harberger's findings were published, other researchers have studied this same issue. How do the results of these researchers compare to Harberger's results?
A) The other researchers reached conclusions similar to Harberger's; namely, the loss of economic efficiency due to market power is about 1 percent of the value of production in the United States. B) The other researchers reached conclusions different from Harberger's; namely, they found that the loss of economic efficiency due to market power is only about 1 percent of the value of production in the United States, much less than Harberger's estimate. C) The other researchers reached conclusions different from Harberger's; namely, the loss of economic efficiency due to market power is about 10 percent of the value of production in the United States, significantly greater than Harberger's estimate. D) The other researchers reached conclusions similar to Harberger's; namely, the loss of economic efficiency due to market power is about 10 percent of the value of production in the United States.
In the short-run macro model, aggregate expenditures are found by which of the following formulas?
a. AE = C + I + G + NX b. AE = Ip + T + S + G c. AE = C + Ip - T + NX d. AE = C + Ip + G + NX e. AE = C + Ip + G - NX