← Search Journal of Accounting Research Vol. 7 No. 2 1969 Portfolio Theory and Accounting Ray Ball; Philip Brown DOI10.2307/2489972 Volume7 Issue2 Pages300 Sources bibtex:phds-export.bib 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 ✓