數(shù)據(jù)系統(tǒng)和主要的代理模式-wenkub.com
2025-03-07 04:32 本頁面
【正文】 2023年 3月 28日星期二 4時 32分 14秒 04:32:1428 March 2023 ? 1一個人即使已登上頂峰，也仍要自強(qiáng)不息。勝人者有力，自勝者強(qiáng)。 , March 28, 2023 ? 閱讀一切好書如同和過去最杰出的人談話。 。 :32:1404:32Mar2328Mar23 ? 1世間成事，不求其絕對圓滿，留一份不足，可得無限完美。 2023年 3月 28日星期二 4時 32分 14秒 04:32:1428 March 2023 ? 1做前，能夠環(huán)視四周；做時，你只能或者最好沿著以腳為起點的射線向前。 :32:1404:32:14March 28, 2023 ? 1他鄉(xiāng)生白發(fā)，舊國見青山。 , March 28, 2023 ? 雨中黃葉樹，燈下白頭人。Information Systems under Principalagent Modeling Dr. ChakTong Chau 仇澤棠博士 . Fulbright Professor 中美交流富布萊特教授 What Is Information? Broadly defined, information is any device that helps to reduce uncertainty. Alternatively, information should be helpful in: ?detecting the current state of the world, or ?forecasting the future state of the world Dr. ChakTong Chau 2 Fulbright Guest Lecture Materials Good Information Should be Useful in: ? 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 (beforetheact) private information can be known ex post (aftertheact). Dr. ChakTong Chau 3 Fulbright Guest Lecture Materials Time line of a typical agency contract Contract agreed Effort selected Payoff revealed Precontract information Preeffort selection information Posteffort information Postpayoff information Timing Information Availability To agent only (private) To all parties (public) Precontract Agent’s proprietary knowledge Historical information Postcontract, preeffort Information set under decentralization Posteffort, prepayoff Voluntary disclosure – relevation principle Post payoff (ex post) Not interesting Financial reporting Dr. ChakTong Chau 4 Fulbright Guest Lecture Materials Usefulness of Information How do we know, a priori, that information is “useful”? Consider the following payoff structure (known to all): Effort S1 S2 S3 S4 S5 S6 Expected Payoff e1=10 2 3 3 4 5 5 e2= 5 2 2 3 4 4 5 Dr. ChakTong Chau 5 Fulbright Guest Lecture Materials Usefulness of Information Now, w
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