← Search Journal of Finance Vol. 22 No. 3 1967 A TRANSITION MODEL FOR PORTFOLIO REVISION* Keith Smith DOI10.1111/j.1540-6261.1967.tb02978.x Volume22 Issue3 Pages425-439 Languageen Sources openalex crossref semanticscholar 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 ✓