← Search Journal of Finance Vol. 4 No. 3 1949 DISCUSSION M. D. Ketchum University of Chicago DOI10.1111/j.1540-6261.1949.tb02352.x Volume4 Issue3 Pages222-226 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 ✓