← Search Econometrica Vol. 37 No. 2 1969 Returns to Scale, Euler's Theorem, and the Form of Production Functions F. W. McElroy DOI10.2307/1913536 Volume37 Issue2 Pages275 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 ✓