linked fields. Our analysis uses 1.8 million U.S. patents and their citation properties to map the innovation network and its … strength. Past innovation network structures are calculated using citation patterns across technology classes during 1975 … predictive power on future innovation after 1995. This pattern is consistent with the idea that when there is more past upstream …

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 …

We build a model of firm-level innovation, productivity growth and reallocation featuring endogenous entry and exit. A …

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