[請益] 一題經濟問題
學校小考的題目
可是想不出是為什麼
Suppose that Martin owns a lighthouse, and Lewis owns a bearby port. Martin's
lighthouse benefits only those ships that enter Lewis's port. Which of the
following statements is "not" correct?
A. Martin's lighthouse may be considered a private good.
B. Martin can reduce the free-rider problem by charging Lewis a usage fee.
C. Martin can exclude Lewis's port form benefiting from the lighthouse by
simply truning the power off.
D. Martin's lighthouse may be considered a common resource.
答案是d
不過我不知道d錯在哪?
我覺得a也是錯的
感覺應該是無法排它 也不具敵對性
想請高手幫忙解答一下
謝謝~
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※ 編輯: spotnec 來自: 125.225.69.85 (07/13 00:16)
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