The Pharmaceutical Industry
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FISHER and TEMIN (1973) have argued recently that many empirical studies1 relating to the Schumpeterian hypothesis are inappropriate for testing that hypothesis. They observe that Schumpeter can be interpreted as hypothesizing that the elasticity of the value of research and development (R and D) output with respect to firm size is greater than unity. On the other hand, the empirical studies have been concerned with investigating the elasticity of R and D inputs with respect to firm size. Fisher and Temin demonstrate that a finding that the R and D input elasticity exceeds unity does not imply that the R and D output elasticity exceeds unity also. Given that public policy formulation should be based on tests of the Schumpeter hypothesis rather than on tests of the R and D input elasticity, their point is well taken. Of course, in defense of the empirical studies, it can be argued that data limitations have restricted testing to the R and D input elasticity, and that most of the researchers have been aware that they were not testing the Schumpeter hypothesis.............
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Professor Emeritus of Economics
Professor Grabowski specializes in the investigation of economics in the pharmaceutical industry, government regulation of business, and the economics of innovation. His specific interests within these fields include intellectual property and generic competition issues, the effects of government policy actions, and the costs and returns to pharmaceutical R&D. He has been publishing research papers for over four decades, from his earlier work, “The Effects of Regulatory Policy on the Incentives