← Search Econometrica Vol. 7 No. 2 1939 A Final Note Harold Hotelling DOI10.2307/1906840 Volume7 Issue2 Pages158 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 ✓