Tech clusters like Silicon Valley play a central role for modern innovation, business competitiveness, and economic …

We review the recent literature on the financing of innovation, inclusive of large companies and new startups. This … related to innovation. We highlight the new literature on learning and experimentation across multi-stage innovation projects … innovation and changing external conditions, especially reduced experimentation costs …

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 …