Innovation is key for economic growth and well-being. The capacity for innovation, however, is profoundly influenced by the quality of local institutions. Although the impact of national institutions on innovation is well-documented, the effects of subnational institutional variations on...

This study explores the diversification of high-quality technologies within Chinese cities from 2000 to 2015. Our results reveal that both high-quality and low-quality technological portfolios contribute to high-quality technological diversification. High-quality portfolios dominate this process...