The Impact of Generic Competition on Brand Name Market Shares - Evidence from Micro Data

Thomas Aronsson (), Mats Bergman and Niklas Rudholm ()
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Thomas Aronsson: Department of Economics, Umeå University, Postal: S 901 87 Umeå, Sweden
Mats Bergman: Stockholm School of Economics
Niklas Rudholm: Department of Economics, Umeå University, Postal: S 901 87 Umeå, Sweden

No 462, Umeå Economic Studies from Umeå University, Department of Economics

Abstract: This paper analyses how market shares for brand name drugs are affected by generic competition. The analysis is based on micro data for twelve original drugs, wich are all subject to generic competition. For five of these drugs, we find that the price of the original relative to the average price of the generic substitutes significantly affects the market share of the original. In addition, the introduction of a so called

Keywords: Pharmeceutical industry; Patent expiration; micro data. (search for similar items in EconPapers)
JEL-codes: I11 L65 (search for similar items in EconPapers)
Pages: 21 pages
Date: 1998-02-27
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