← Search Journal of Finance Vol. 33 No. 5 1978 "Are Betas Best?" Edwin J. Elton; Martin J. Gruber; Thomas J. Urich DOI10.2307/2327272 Volume33 Issue5 Pages1375 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 ✓