zh.wikipedia.org/wiki/%E6%95%88%E7%8E%87%E5%B8%82%E5%A0%B4%E5%81%87%E8%AA%AA
1 correction found
由尤金·法马于1970年深化并提出的
把有效市场假说说成是尤金·法马“于1970年……提出”的说法不准确。法马本人写明“market efficiency/efficient markets”这些术语首先出现在他1965年的论文中;诺奖资料也将1970年论文描述为一篇综述性框架文章,而不是首次提出该假说。
Full reasoning
这句话把**“提出”**的时间定在 1970 年,但法马本人的诺贝尔奖自传并不支持这一点。
- 法马写道:他创造了“market efficiency”和“efficient markets”这两个术语,但它们第一次出现在他的 1965 年论文《Random Walks in Stock Market Prices》中,而不是 1970 年论文。
- 诺贝尔奖官网关于 2013 年经济学奖的背景材料也把法马的 1970 年文章描述为一篇survey / review(综述),即对已有研究进行总结并建立后续研究框架,而不是第一次提出该思想。
因此,更准确的说法应是:法马在 1960 年代已系统化并命名了相关概念,1970 年的论文则对有效市场研究作了重要综述和框架化总结。
3 sources
- Eugene F. Fama - Biographical - NobelPrize.org
I coined the terms “market efficiency” and “efficient markets,” but they do not appear in my thesis. They first appear in “Random Walks in Stock Market Prices,” ... reprinted in the Financial Analysts Journal (Fama 1965b).
- Eugene F. Fama – Facts - NobelPrize.org
In the 1960s, Eugene Fama demonstrated that stock price movements are impossible to predict in the short-term and that new information affects prices almost immediately, which means that the market is efficient.
- Advanced information - The Prize in Economic Sciences 2013 - NobelPrize.org
Fama’s survey provided the framework for a vast empirical literature ... In his 1970 paper, Fama also discussed what “available” information might mean. ... In 1965, Fama reported that daily, weekly and monthly stock returns seem to be completely unpredictable.