← Search Econometrica Vol. 11 No. 3/4 1943 A Fundamental Multiplier Identity Paul A. Samuelson DOI10.2307/1905675 Volume11 Issue3/4 Pages221 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 ✓