← Search Quarterly Journal of Economics Vol. 72 No. 4 1958 Recent Publications DOI10.1093/qje/72.4.637 Volume72 Issue4 Pages637-641 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 ✓