← Search Quarterly Journal of Economics Vol. 70 No. 2 1956 Recent Publications DOI10.1093/qje/70.2.324 Volume70 Issue2 Pages324-325 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 ✓