信息经济学
（重定向自訊息經濟學）
信息经济学（英语：Information economics），微观经济学中的分支。由美国经济学家乔治·斯蒂格勒在1961年率先提出，他个人认为：产品信息的内容会对经济活动及消费者购买决策产生某部分的影响。
我们以最基本的产品价格信息来看，市场上各家零售商对产品的价格不一，所以消费者为了追求最便宜的价格，会逐一比较各家的价格，以得出一个最低价格，而这个比价的动作我们称为“搜索”。消费者搜索时，势必会额外付出较多的时间及精力，因此消费者不会无限制的搜索，而是到消费成本超过所预期获得的利益（指最低价格的价差）时就会停止下来。当然消费者在进行搜索的动作时，会付出额外的时间、精力及金钱，当消费者搜索到一个程度时，我们称为“边际成本＝期望边际效益”，这时消费者就不再继续搜索。搜索过程的成本支出，对应所得到的信息，检测是否符合降低采购风险，提升采购的正确性，这就叫做“效益”，而边际成本＝期望边际效益则就是成本效益的损益平衡点。
参见 编辑
参考文献 编辑
- Akerlof, George (1970). The Market for 'Lemons': Quality Uncertainty and the Market Mechanism," Quarterly Journal of Economics, 84(3), pp. 488-500. Cached copy.
- Birchler, Urs, and Monika Bütler (2007). Information Economics. London, Routledge. ISBN 978-0415373463. Description （页面存档备份，存于互联网档案馆） and chapter-arrow-page links, pp. vii （页面存档备份，存于互联网档案馆）-xi. （页面存档备份，存于互联网档案馆）
- Lippman, S. S., and J. J. McCall (2001). "Information, Economics of," International Encyclopedia of the Social & Behavioral Sciences, pp. 7480-7486. Abstract.
- Maasoumi, Esfandiar (1987). "Information theory," The New Palgrave: A Dictionary of Economics, v. 2, pp. 846-51.
- Mas-Colell, Andreu; Michael D. Whinston, and Jerry R. Green (1995), Microeconomic Theory. Oxford University Press. Chapters 13 and 14 discuss applications of adverse selection and moral hazard models to contract theory.
- The New Palgrave Dictionary of Economics (2008). 2nd Edition, selected entries:
- Bubbles" by Markus K. Brunnermeier Abstract. （页面存档备份，存于互联网档案馆）
- "Epistemic game theory: incomplete information" by Aviad Heifetz. Abstract. （页面存档备份，存于互联网档案馆）
- "Information aggregation and prices" by James Jordan. Abstract. （页面存档备份，存于互联网档案馆）
- "Information cascades," by , Sushil Bikhchandani, David Hirshleifer and Ivo Welch. Abstract. （页面存档备份，存于互联网档案馆）
- "Information sharing among firms" by Xavier Vives.Abstract. （页面存档备份，存于互联网档案馆）
- "Information technology and the world economy" by Dale W. Jorgenson and Khuong Vu. Abstract. （页面存档备份，存于互联网档案馆）
- "Insider trading." by Andrew Metrick. Abstract. （页面存档备份，存于互联网档案馆）
- "Learning and information aggregation in networks" by Douglas Gale and Shachar Kariv. Abstract. （页面存档备份，存于互联网档案馆）
- "Monetary business cycles (imperfect information)" by Christian Hellwig. Abstract. （页面存档备份，存于互联网档案馆）
- "Social networks in labour markets" by Antoni Calvó-Armengol and Yannis M. Ioannides. Abstract. （页面存档备份，存于互联网档案馆）
- "Prediction markets" by Justin Wolfers and Eric Zitzewitz.Abstract. （页面存档备份，存于互联网档案馆）
- Pissarides, C. A. (2001). "Search, Economics of," International Encyclopedia of the Social & Behavioral Sciences, pp. 13760-13768. Abstract.
- Shapiro, Carl, and Hal R. Varian (1999). Information Rules: A Strategic Guide to the Network Economy. Harvard University Press. (publisher's excerpts)
- Spence, Michael A. (1973). "Job Market Signaling," Quarterly Journal of Economics 83(3) , pp. 355-377.
- Stigler, George J. (1961). “The Economics of Information,” Journal of Political Economy, 69(3), pp. 213-225.
- Stiglitz, Joseph E. (2000). "The Contributions of the Economics of Information to Twentieth Century Economics," Quarterly Journal of Economics, 115(4) , pp. 1441-1478.[1]
- Theil, Henri (1967). Econonomics and Information Theory. Amsterdam, North Holland.