Relations between administrative monitoring system to cope with corporate scandals and market competition situation(in Japanese)

One of the measures to cope with corporate scandals is monitoring by the administrative agencies. This paper refers the theory of the monitoring, inspects some current Japanese administrative monitoring systems and indicates desirable way to design social system based on law and economic theory. As to current Japanese monitoring systems, some systems are rationally designed, combining inside and outside monitoring, and lowered the social costs, but others are excessive or underrate monitoring from the point of security and costs. In future, the government should take the law and economic theory approach when it designs social system.