have influenced the direction of innovation over the last four decades. Our findings suggest that the demography of …

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 …

reforms that would likely increase the rate of innovation and the number of startups due to immigrants in the country. Key …

Immigrants are widely perceived as being highly entrepreneurial and important for economic growth and innovation. This …

emanating from China's economic ascent could in theory either augment or stifle U.S. innovation. Using three decades of U ….S. patents matched to corporate owners, we quantify how foreign competition affects domestic innovation. Rising import exposure …