Ethnic inventors play important roles in US innovation systems, especially in high-tech regions like Silicon Valley. Do … 'ethnicity-innovation' channels exist elsewhere? This paper investigates, using a new panel of UK patents microdata. In theory …, ethnicity might affect positively innovation via 'star' migrants, network externalities from co-ethnic groups, or production …

information on revenues, product and process innovation. I then regress these measures of business performance on top team … between diversity and business performance, which is net positive for process innovation and net negative for turnover …