股票市场的效率性指的是股票市场中股票价格对新信息的反应效率，它是股票市场成熟程度的表现。
Efficiency of stock market refers to one that the price of stocks in market responses to the new information. It indicates the mature degree of stock market.
建设项目承包合同的不完全性、信息的非对称性以及承发包双方的信用危机共同作用，产生了隐藏信息的道德风险以及由此引起的非效率性问题。
The incomplete contracts, asymmetric information and credibility crisis give birth to moral hazard with hidden information and make social efficiency decrease in the construction work.
建设项目承包合同的不完全性、信息的非对称性以及承发包双方的信用危机共同作用，产生了隐藏信息的道德风险以及由此引起的非效率性问题。
The incomplete contracts, asymmetric information and credibility crisis give birth to moral hazard with hidden information and make social efficiency decrease in the construction work.
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