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 …

Migration and trade are often linked through ethnic networks boosting bilateral trade. This study uses migration to … advantages, and it establishes a connection of migration to home country exports beyond bilateral networks. …

We develop a theory of innovation for entry and sale into oligopoly, and show that inventions of higher quality are …