This paper presents a dynamic model of a competitive R&D and production duopoly subject to knowledge spillovers. Two … asymmetric firms operate for a limited period of time and dispose their knowledge capital in the end. Both firms and the social … planner prefer the R&D-cooperative strategy over the competitive one regardless of the intensity of knowledge spillovers …

We construct an asymmetri c duopolistic R&D and production behavior model subject to knowledge spillovers. This model …

may even reduce welfare. The reason is that it crowds out proprietary innovation which on net may reduce total innovation … in the long run. These effects would be reinforced if philanthropical innovation diverted people from other productive …