← Search Journal of Finance Vol. 38 No. 4 1983 Estimation Risk and Simple Rules for Optimal Portfolio Selection Son-Nan Chen; Stephen J. Brown DOI10.2307/2328013 Volume38 Issue4 Pages1087 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 ✓