This groundbreaking study examines the factors that determine the success of research in the pharmaceutical industry. Using data from a comprehensive survey of drug discovery projects, the authors identify the key drivers of research productivity, including scale, scope, and knowledge spillovers. They also explore the role of public policy in promoting innovation and improving the efficiency of the drug discovery process. This book is a must-read for anyone interested in the economics of innovation and the future of the pharmaceutical industry. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.