We build a model of firm-level innovation, productivity growth and reallocation featuring endogenous entry and exit. A …

The innovation activities of companies has long been a topic of interest in economics. Game theory models of oligopoly … have since the start of the 1980s played a central role in the economics of innovation. In this study three game theory … model is used to study patenting decisions by a company that has made an innovation. A company can monopolize its innovation …