← Search Econometrica Vol. 25 No. 3 1957 On Problems of Estimation in Leontief Models F. E. A. Briggs DOI10.2307/1907960 Volume25 Issue3 Pages444 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 ✓