Abstract

http://ssrn.com/abstract=2396585
 


 



Fama, Fisher, Jensen and Roll (1969): Retrospective Comments


Ray Ball


University of Chicago

December 10, 2013


Abstract:     
This commissioned essay provides a retrospective view of one of Gene Fama’s many seminal papers, Fama, Fisher, Jensen, and Roll (1969). The paper was like none before it. Its contributions include (listed in what I regard as increasing order of importance): documenting share price behavior around the time of splits; implementing the first control for the market factor, hence creating the precursor to the influential Fama-French models; conducting the first event study; providing the first direct test of market efficiency; and demonstrating the wisdom and validity of Fama’s (1965) framing of stock price behavior in terms of information. The paper’s impact has been enormous, because at the time the research was conducted it was instrumental in reframing how we think about asset prices.

Number of Pages in PDF File: 12

JEL Classification: B31, G14, M41

working papers series


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Date posted: February 16, 2014  

Suggested Citation

Ball, Ray, Fama, Fisher, Jensen and Roll (1969): Retrospective Comments (December 10, 2013). Available at SSRN: http://ssrn.com/abstract=2396585 or http://dx.doi.org/10.2139/ssrn.2396585

Contact Information

Ray Ball (Contact Author)
University of Chicago ( email )
5807 S. Woodlawn Avenue
Chicago, IL 60637
United States
773-834-5941 (Phone)
773-702-0458 (Fax)
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