14. When producers are hard to monitor and marginal costs differ across producers,______are an
effective method to achieve efficient use of a________.
(A) individual transferable quotas; public good
(B) marginal private benefits; public good
(C)individual transferable quotas; common resource
(D) individual transferable quotas; excludable good
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統計: 尚無統計資料
統計: 尚無統計資料