The global nature of the climatic challenge requires a high level of cooperation among agents, especially since most of the related coping strategies produce some kind of externalities toward others. Whether they are positive or negative, the presence of externalities may lead the system towards...

This paper studies the adoption and diffusion of a product innovation in a duopoly market. Firms are asymmetric, and learning is endogenously determined by the volume of sales. In equilibrium, both high- and low-quality firms may lead adoption, and first-movers are often uniquely determined by...