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Journal Article The Concept of Monopoly and the Measurement of Monopoly Power Get access A. P. Lerner A. P. Lerner London Search for other works by this author on: Oxford Academic Google Scholar The Review of Economic Studies, Volume 1, Issue 3, June 1934, Pages 157–175, https://doi.org/10.2307/2967480 Published: 01 June 1934
A. P. Lerner (Fri,) studied this question.