【摘要】 政府投资的环保项目常具有公共物品的特性，对它的分析应采用有别于企业投资环保项目的方法。政府可以设计一种被调查者的支付费用机制 ,使被调查者表露真实效用成为他的占优战略。更多还原

【Abstract】 Environmental protection projects invested by the government often have a character of public goods. The method of their analysis should be different from the one used in the enterprise. The government can design a payment mechanism of inquired person, which makes sure that expressing the real utility is his dominant strategy.更多还原