Study on the Payment Mechanism of Suppliers'''' Adverse Selection
一类供应商逆向选择问题的报酬机制研究

In this paper, we use Revelation Principle to design a set of contracts to let supplier select, and get the true information about supplier according to their selecting result, under the circumstance that the information of the capability and the cost of suppliers are not available to the buyer side. Through analysis, we get the characteristics of optimal payment mechanism and prove that the proposed payment mechanism is independent of ex\|ante beliefs,which the buyer has on the capability and the cost of the supplier.