1. The problem created by asymmetric information before the transaction occurs is called ________, while the problem created after the transaction occurs is called ________.
(A) costly state verification; free-riding
(B) adverse selection; moral hazard
(C) free-riding; costly state verification
(D) moral hazard; adverse selection

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統計: A(0), B(0), C(1), D(0), E(0) #2789602