← Search Econometrica Vol. 21 No. 1 1953 What Happens During Business Cycles, A Progress Report Mordecai Ezekiel; Wesley C. Mitchell DOI10.2307/1906959 Volume21 Issue1 Pages201 Sources crossref semanticscholar 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 ✓