← Search Econometrica Vol. 39 No. 6 1971 The Identification of Ratios of Parameters in Unidentified Equations Jerry S. Kelly DOI10.2307/1909678 Volume39 Issue6 Pages1049 Sources bibtex:phds-export.bib semanticscholar crossref openalex 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 ✓