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Interfirm Profitability Differences: Comment

R. E. Caves¹; B. T. Gale²; Michael E. Porter¹

¹ Harvard University Press · ² University of Massachusetts

Journal Article Interfirm Profitability Differences: Comment Get access R. E. Caves, R. E. Caves Harvard University Search for other works by this author on: Oxford Academic Google Scholar B. T. Gale, B. T. Gale University of Massachusetts Search for other works by this author on: Oxford Academic Google Scholar M. E. Porter M. E. Porter Harvard University Search for other works by this author on: Oxford Academic Google Scholar The Quarterly Journal of Economics, Volume 91, Issue 4, November 1977, Pages 667–675, https://doi.org/10.2307/1885889 Published: 01 November 1977

DOI

10.2307/1885889

Volume

91 (4)

Pages

667

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