← Search The Review of Economics and Statistics Vol. 62 No. 1 1980 Substitution and Efficiency Once More Kazuo Sato DOI10.2307/1924283 Volume62 Issue1 Pages139 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 ✓