Estimating the Effects of Regulation on Innovation: An International Comparative Analysis of the Pharmaceutical Industry

Abstract

INNOVATION in the U.S. ethical drug industry in recent years has been characterized by a number of adverse developments. In particular, there has been a sharp decline in the rate of new product introductions and the incentive for engaging in research and development (R & D) activity has been negatively influenced by rapid increases in the costs and risks of developing new products. While there is little debate about the existence of these adverse trends, there is considerable controversy about the factors producing them. Briefly, we list below five hypotheses that have been discussed as explanations for the declining rate of innovation