either mayflies or longdistance runners. -- Entry and exit ; growth ; hit-and-run competition ; innovation ; dynamic panel …

entrepreneurial activity in innovation and regional growth within a spatial semi-endogenous growth model in the spirit of Jones (1995 …

spin-off creation at universities, the impact of spin-offs commercializing university research cannot be properly assessed … extant literature and discuss promising directions for future research. We conclude that the university spin-off phenomenon … related to entrepreneurship, innovation and management …

the bottleneck is controlled by a single firm, the resulting entry barriers reduce the ability of demanders to choose … conditions. Demand must be fundamentally diverse so that the original GPT does not serve all demanders. Firms barred from entry … indirect entry by the alternative GPT into the original GPT market if and when it becomes strong enough to compete with the …