10 there are many possible answers 11 as of this

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10. There are many possible answers. 11. As of this writing, the chairman of the Federal Reserve is Alan Greenspan, the chair of the Council of Economic Advisers is R. Glen Hubbard, and the secretary of the treasury is Paul H. O’Neill. 12. As time goes on, you might expect economists to disagree less about public policy because they will have opportunities to observe different policies that are put into place. As new policies are tried, their results will become known, and they can be evaluated better. It's likely that the disagreement about them will be reduced after they've been tried in practice. For example, many economists thought that wage and price controls would be a good idea for keeping inflation under control, while others thought it was a bad idea. But when the controls were tried in the early 1970s, the results were disastrous. The controls interfered with the invisible hand of the marketplace and shortages developed in many markets. As a result, most economists are now convinced that wage and price controls are a bad idea for controlling inflation. But it is unlikely that the differences between economists will ever be completely eliminated. Economists differ on too many aspects of how the world works. Plus, even as some policies get tried out and are either accepted or rejected, creative economists keep coming up with new ideas. Chapter 3 Quick Quizzes 12
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1. Figure 1 shows a production possibilities frontier for Robinson Crusoe between gathering coconuts and catching fish. If Crusoe lives by himself, this frontier limits his consumption of coconuts and fish, but if he can trade with natives on the island he will be able to consume at a point outside his production possibilities frontier. Figure 1 2. Crusoe’s opportunity cost of catching one fish is 10 coconuts, since he can gather 10 coconuts in the same amount of time it takes to catch one fish. Friday’s opportunity cost of catching one fish is 15 coconuts, since he can gather 30 coconuts in the same amount of time it takes to catch two fish. Friday has an absolute advantage in catching fish, since he can catch two per hour, while Crusoe can only catch one per hour. But Crusoe has a comparative advantage in catching fish, since his opportunity cost of catching a fish is less than Friday’s. 3. If the world’s fastest typist happens to be trained in brain surgery, he should hire a secretary. He has an absolute advantage in typing, but a comparative advantage in brain surgery, since his opportunity cost in brain surgery is low compared to the opportunity cost for other people. Questions for Review 1. Absolute advantage reflects a comparison of the productivity of one person, firm, or nation to that of another, while comparative advantage is based on the relative opportunity costs of the persons, firms, or nations. While a person, firm, or nation may have an absolute advantage in producing every good, they can't have a comparative advantage in every good.
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