We investigate the role of knowledge spillovers in determining firms' incentives to invest in exploratory versus incremental R&D. We link drug candidates to molecularly similarly drugs that are develo
We estimate international technology spillovers to U.S. manufacturing firms via imports and foreign direct investment (FDI) between the years of 1987 and 1996. In contrast to earlier work, our results
Countries differ greatly in R&D spending, and these differences are particularly striking when comparing developed with developing countries. The paper examines the extent to which the benefits of R&D
The question I shall address in this pa-per is: Can the slowdown in productivity growth be explained, wholly or in part, by the recent slowdown in the growth of real R&D expenditures? But first we hav