Analyzes the costs, risks, and economic rewards of pharmaceutical R&D and the impact of public policy on both costs and returns. Examines the rapid increase in pharmaceutical R&D that began in the 1980s in the light of trends in science, technology, drug discovery, and health insurance coverage; Government regulation; product liability; market competition; Federal tax policy; and Federal support of prescription drug research. 12 appendices, including a glossary of terms.