An optimal incentive payment scheme was designed in order to prevent the problems of
enterprisers adverse selection and moral hazard from occurring resulted from the absence of information on
their real capability and their service cost and so forth. In this scheme, the revelation principle in the game
theory is used to design different payment contracts to let enterprisers select, so a shareholder can judge
their true information in terms of their selection. The analysis shows that the optimal payment scheme
consists of compensation for their efforts, risk compensation and information rent, that the sensitivity of the
optimal payment scheme is positively related to the expected compensation but negatively to the fixed
compensation, and that efficient enterprisers work harder than inefficient ones and tend to choose high-
powered incentives, lower fixed-price contracts and safer projects.