18 下列何者為公共財之偏好顯示(preference revelation)機制?
(A)兩階段定價法(two-part tariff)
(B)克拉奇租稅(Clarke tax)
(C)反彈性法則(inverse elasticity rule)
(D)林達爾價格(Lindahl price)

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統計: A(2), B(107), C(1), D(14), E(0) #1217608