← Search Journal of Political Economy Vol. 66 No. 6 1958 Die Intensität des Wettbewerbs. Hans Haerry K. W. Rothschild DOI10.1086/258110 Volume66 Issue6 Pages552-552 Languageen Sources openalex semanticscholar 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 ✓