← Search Quarterly Journal of Economics Vol. 78 No. 1 1964 Recent Publications DOI10.1093/qje/78.1.179 Volume78 Issue1 Pages179-180 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 ✓