問題詳情

Public goods are those commodities from whose enjoyment nobody can be effectivelyexcluded. Everybody is free to enjoy the benefits of these commodities, and one person’sutilization does not reduce the possibilities of anybody else’s enjoying the same good. Examples of public goods are not as rare as one might expect. A flood control damis a public good. Once the dam is built, all persons living in the area willbenefit—___36__ their own contribution to the construction cost of the dam. The same__37___ for highway signs or aids to navigation. Once a lighthouse is built, no ship ofany nationality can be effectively excluded from the utilization of the lighthouse fornavigational purposes. National defense is another example. Even a personwho__38___ military expenditures or did not pay any taxes will benefit from the protectionprovided. It is no easy task to determine the social costs and social benefits ___39__ a publicgood. There is no practicable way of charging drivers for looking at highway signs,sailors for watching a lighthouse, and citizens for the security provided to them throughnational defense. Because the market does not provide the necessary signals, economicanalysis ___40__ for the impersonal judgment of the marketplace.
36.
(A)because of
(B)irrespective of
(C)in terms of
(D)in spite of

參考答案

答案：B
難度：困難0.276923
統計：A(16),B(18),C(12),D(17),E(0)

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