信息不对称的两种政策建议比较

斯蒂格利茨根据信息不对称无处不在导致市场失灵的普遍性,推导出政府干预范围应扩展到一切潜在经济领域,通过适当改革干预方式和防范政府失灵,政府干预可以使市场有效地实现资源配置。以哈耶克为代表的制度与演化主义者则认为,市场通过适应性演化生成的制度安排能最有效地解决信息不对称和知识分立问题,政府只需要充分保障个人(企业)的自由行动权利,其他事情市场会做好。认为不能笼统地肯定或否定政府干预,必须将政府干预区分为微观干预和宏观调控。政府不具备进行微观干预的信息优势,但宏观调控是现代市场经济下政府特有的经济职能,政府必须加强对经济总量的调节。

Comparing Two Policy Proposals of Information Asymmetry

Stiglitz says inevitable information asymmetry makes market failures universal,then the scope of government intervention should be extended to all potential economic fields,through appropriate intervention and successful prevention of government failures,government intervention can make market work effectively.While Hayek,as representative of Institutional and Evolutionalism,persists that adaptive institutional arrangements generated in the dynamic evolution of market can most effectively reduce the informa...