← Search Quarterly Journal of Economics Vol. 52 No. 4 1938 Fifty Years of Government Regulation D. Philip Locklin University of Illinois System DOI10.2307/1885039 Volume52 Issue4 Pages679 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 ✓