← Search Econometrica Vol. 19 No. 4 1951 Abraham Wald, 1902-1950 Oskar Morgenstern DOI10.2307/1907462 Volume19 Issue4 Pages361 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 ✓