Patent Expiration, Entry, and Competition in the U.S. Pharmaceutical Industry

@inproceedings{Caves1991PatentEE,
  title={Patent Expiration, Entry, and Competition in the U.S. Pharmaceutical Industry},
  author={R. Caves and M. Whinston and M. A. Hurwitz},
  year={1991}
}
THE ETHICAL PHARMACEUTICAL industry is an important one, not so much for its economic size as for the benefits that it delivers to users of its products. The industry has been transformed structurally since the 1940s from a producer of selected chemicals to a research-oriented sector that makes a major contribution to the technology of health care. I Its very success in generating a stream of new drugs with important therapeutic benefits has involved the industry in intense public policy… Expand