Hedonic Analysis of Arthritis Drugs
We examine the relationship between quality'' and market outcomes for a group of drugs used to treat rheumatoid arthritis. Though this is a widespread and debilitating disease with very substantial impacts on the health of patients and on the economy, currently available drugs have limited efficacy and serious side effects. Clinical research conducted since these products were approved has resulted in substantial revisions to the body of scientific information available to physicians. The relative quality' of these drugs (as captured by efficacy and toxicity measurements reported in peer-reviewed clinical trials) has changed markedly over the past 15 years. Yet in our analysis of US wholesale prices we find that relative prices appear to be only weakly related to quality. We do however find a relationship between changes in reported efficacy and toxicity and the evolution of quantity shares in this market.
|Date of creation:||May 1998|
|Date of revision:|
|Publication status:||published as Hedonic Analysis of Arthritis Drugs , Iain M. Cockburn, Aslam H. Anis. in Medical Care Output and Productivity , Cutler and Berndt. 2001|
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- Berry, Steven & Levinsohn, James & Pakes, Ariel, 1995. "Automobile Prices in Market Equilibrium," Econometrica, Econometric Society, vol. 63(4), pages 841-90, July.
- Ernst R. Berndt & Linda T. Bui & David H. Lucking-Reiley & Glen L. Urban, 1996.
"The Roles of Marketing, Product Quality, and Price Competition in the Growth and Composition of the U.S. Antiulcer Drug Industry,"
in: The Economics of New Goods, pages 277-328
National Bureau of Economic Research, Inc.
- Ernst R. Berndt & Linda Bui & David Reiley & Glen Urban, 1994. "The Roles of Marketing, Product Quality and Price Competition in the Growth and Composition of the U.S. Anti-Ulcer Drug Industry," NBER Working Papers 4904, National Bureau of Economic Research, Inc.
- Anis, Aslam H. & Wen, Quan, 1998. "Price regulation of pharmaceuticals in Canada," Journal of Health Economics, Elsevier, vol. 17(1), pages 21-38, January.
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