← Search Econometrica Vol. 27 No. 3 1959 L'Echange International Erik Thorbecke; Michel Moret DOI10.2307/1909493 Volume27 Issue3 Pages519 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 ✓