For the past several decades, the percentage of national income in the United States allocated to physical capital (rents, interest, profit) has been approximately
a. 20 percent.
b. 40 percent.
c. 60 percent.
d. 80 percent.
A
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Hotelling's model has been used to describe differentiation in the political "market." Suppose that 100 voters are evenly distributed between the extreme left and the extreme right on the political spectrum, and that all voters vote, and they always vote for the candidate closest to them on this spectrum. The numbers on this spectrum represent the number of voters lying to the left of the number. So, at the midpoint, fifty voters lie to the left and fifty to the right. At the extreme right end, all 100 voters lie to the left. 
width="553" />If Candidate Y is running against Candidate Z: A. Both candidates will have an incentive to move to the left. B. Both candidates will have an incentive to move toward each other's position. C. Candidate Y will have an incentive to move to the left, and Candidate Z will have an incentive to move to the right. D. Neither candidate has any incentive to move.
Easy monetary policy and tight fiscal policy lead to
A) high real interest rates. B) low real interest rates. C) roughly unchanged real interest rates. D) roughly unchanged real interest rates only when Ricardian equivalence holds; otherwise, low real interest rates.
In the graph shown, which of the world supply curves create a trade surplus?
A. WAS0 B. WAS1 C. WAS2 D. None create surpluses.
The Keynesian short-run aggregate supply curve is horizontal because
A) it represents Say's law. B) it reflects wage and price inflexibility. C) it represents the full employment level of real GDP. D) it reflects the absence of money illusion.