Innovation processes within corporations increasingly tap into international technology sources, yet little is known … about the relative contribution of different types of innovation channels. We investigate the effectiveness of different …&D knowledge located in the US. The positive influence on total factor productivity is larger if the research of the inventors …

This paper analyzes differences in R&D spending and in the impact of R&D on productivity between German and UK firms …

Using novel data on European firms, this paper examines the effect of business group affiliation on innovation. We find … that business groups foster the scale and novelty of corporate innovation. Group affiliation is particularly important in … industries that rely more on external finance and have a higher degree of information asymmetry. We also find that the innovation …

innovation. Unlike previous literature based on survey data, we exploit the observed pattern of contributions - the .revealed …