← Search Journal of Political Economy Vol. 81 No. 3 1973 Risk, Return, and Portfolio Analysis: Reply Eugene F. Fama DOI10.1086/260071 Volume81 Issue3 Pages753-755 Languageen Sources semanticscholar openalex crossref Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓