数据系统和主要的代理模式（英文版）(ppt 19页)

数据系统和主要的代理模式（英文版）内容简介：
    Broadly defined, information is any device that helps to reduce uncertainty.
    Alternatively, information should be helpful in:detecting the current state of the world,  orforecasting the future state of the world
    Improving production decisions – telling us to do the right things.
Optimizing the scope for risk sharing – so that some people can not make profits by harming other people.
Eliminating “information asymmetry” – so that ex ante (before-the-act) private information can be known ex post (after-the-act).

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