← Search Econometrica Vol. 12 1944 The Probability Approach in Econometrics Trygve Haavelmo DOI10.2307/1906935 Volume12 Pagesiii 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 ✓