-tier universities in the national innovation system as producers of new, high-quality knowledge …

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 …

innovations—innovations that break new ground in terms of knowledge creation. After presenting a motivating model focusing on the … choice between incremental and radical innovation, and on how managers of different ages and human capital are sorted across … consistent with this pattern. Our measures of creative innovations proxy for innovation quality (average number of citations per …

innovations-innovations that break new ground in terms of knowledge creation. After presenting a motivating model focusing on the … choice between incremental and radical innovation, and on how managers of different ages and human capital are sorted across … measures of creative innovations proxy for innovation quality (average number of citations per patent) and creativity (fraction …