Empirical studies have uncovered an inverted-U relationship between product-market competition and innovation. This is … inconsistent with the original Schumpeterian Model, where greater competition reduces the profitability of innovation. We show that … the model can predict the inverted-U if the innovators' talent is heterogenous, and privately observable. With competition …

Recent developments in economics have gone from the recognition of the importance of innovation for growth and the … exploration of innovation mechanisms to the incorporation of the results of the previous research into economic models. An … mechanisms of innovation creation and diffusion, the importance of agent heterogeneity, of market selection processes, of the …

alternative theories. In this survey, we focus on four important aspects, namely: (i) the role of competition and market structure …