Practice Exam One Chapter 1 1. Residents of your city are charged a fixed weekly fee of $6 for garbage collection. They are allowed to put out as many cans as they wish. The average household disposes of three cans of garbage per week under this plan. Now suppose that your city changes to a “tag” system. Each can of refuse to be collected must have a tag affixed to it. The tags cost $2 each and are not reusable. What effect do you think the introduction of the tag system will have on the total quantity of garbage collected in your city? Explain briefly. Answer : In the first case, the cost is $6/week no matter how many cans you put out, so the cost of disposing of an extra can of garbage is $0. Under the tag system, the cost of putting out an extra can is $2, regardless of the number of the cans. Since the marginal cost of each extra can is higher under the tag system, we would expect this system to reduce the number of cans collected. 2. A local restaurant offers an all-you-can-eat lunch buffet for $5.
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