productivity. We do so by developing a quantitative model with heterogeneous firms and international trade where firms can invest … cover the fixed costs of sourcing foreign inputs, which in turn also has a benign impact on measured productivity. Using …&D investment play a key role in explaining firm-level productivity growth. Moreover, the estimated returns to R&D are significantly …

We develop a simple estimator for production functions in the presence of endogenous productivity change that allows us … to retrieve productivity and its relationship with R\&D at the firm level. By endogenizing the productivity process we … as a generalization of the knowledge capital model (Griliches 1979) that has remained a cornerstone of the productivity …

’ hypothesis that foreign research labs located on US soil tap into US R&D spillovers and improve home country productivity. Using … firms’ Total Factor Productivity would have been at least 5% lower in 2000 (about $14bn) in the absence of the US R&D growth …

knowledge' from its cumulative R&D activities, a developing country can boost its productivity by importing a larger variety of …

patenting. Furthermore, it explains why R&D as a fraction of revenues is strongly related to firm productivity yet largely …

country can raise its total factor productivity by investing in R&D. Countries can also boost their productivity by trading …

characteristics. The results suggest that institutional differences are important determinants of total factor productivity and that …

. First, there have been many recent calls for the (relatively new) UK R&D subsidy to be extended to other "research … we use data on market sector productivity, R&D and non-R&D intangible assets, and public sector R&D spending. We look for … civil or defence R&D. Our findings tentatively suggest that for maximum market sector productivity impact government …