← Search Journal of Finance Vol. 7 No. 4 1952 Economic Fluctuations in the United States, 1921-1941. Frederick A. Ekeblad; Lawrence R. Klein DOI10.2307/2976933 Volume7 Issue4 Pages622 Sources openalex crossref semanticscholar 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 ✓