Journal Article Optimal Pricing to Retard Entry Get access Steven A. Lippman Steven A. Lippman University of California, Los Angeles Search for other works by this author on: Oxford Academic Google Scholar The Review of Economic Studies, Volume 47, Issue 4, July 1980, Pages 723–731, https://doi.org/10.2307/2296938 Published: 01 July 1980 Article history Received: 01 December 1977 Accepted: 01 September 1979 Published: 01 July 1980