← Search Journal of Finance Vol. 34 No. 1 1979 Portfolio Selection in a "Winner-Take-All" Environment Paul D. Berger; Zvi Bodie DOI10.2307/2327155 Volume34 Issue1 Pages233 Sources semanticscholar crossref openalex 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 ✓