← Search The Review of Economics and Statistics Vol. 35 No. 4 1953 Has Monopoly Increased? Stanley Lebergott; Warren G. Nutter DOI10.2307/1924395 Volume35 Issue4 Pages349 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 ✓