56PART ONEINTRODUCTIONSHOULD TIGER WOODS MOW HIS OWN LAWN?Tiger Woods spends a lot of time walking around on grass. One of the most tal-ented golfers of all time, he can hit a drive and sink a putt in a way that most ca-sual golfers only dream of doing. Most likely, he is talented at other activities too.For example, let’s imagine that Woods can mow his lawn faster than anyone else.But just because he canmow his lawn fast, does this mean he should?To answer this question, we can use the concepts of opportunity cost and com-parative advantage. Let’s say that Woods can mow his lawn in 2 hours. In that same2 hours, he could film a television commercial for Nike and earn $10,000. By con-trast, Forrest Gump, the boy next door, can mow Woods’s lawn in 4 hours. In thatsame 4 hours, he could work at McDonald’s and earn $20.In this example, Woods’s opportunity cost of mowing the lawn is $10,000 andForrest’s opportunity cost is $20. Woods has an absolute advantage in mowinglawns because he can do the work in less time. Yet Forrest has a comparative ad-
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