← Search Econometrica Vol. 39 No. 1 1971 Input-Output Economics T. Barna; Wassily Leontief DOI10.2307/1909151 Volume39 Issue1 Pages188 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 ✓