Is the United States in danger of losing its competitive edge in science and technology? This volume reviews the arguments surrounding this issue and contrasts them with relevant data, including trends in research and development investment; information on the size, composition, and pay of the...

FrontMatter -- Preface -- Contents -- Summary -- 1 The Changing Context for Foreign Assistance -- 2 Five Development Challenges -- 3 Strengthening the Science and Technology Capacity of Developing Countries -- 4 Capabilities of USAID to Use Science and Technology Effectively -- 5 USAID'S...

"Are scientific knowledge flows embodied in individuals, or "in the air"? To answer this question, we measure the effect of labor mobility in a sample of 9,483 elite academic life scientists on the citation trajectories associated with individual articles (resp. patents) published (resp....

The diffusion of knowledge in the world generates positive externalities if knowledge flows increase the productivity of R&D. Our work analyzes knowledge diffusion and knowledge externalities in generating innovation and in determining productivity. We first estimate the determinants of...