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 …

Functioning markets for technology are an important determinant for the type, scope and distribution of innovation … sectoral pattern of innovation and the distance of a country's industry to the global technological frontier. We explore these … dimensions based on longitudinal industry-level data from the Community Innovation Survey. We find that the demand on markets for …