We examine a technology adoption game with network effects in which coordination on technology A and technology B constitute a Nash equilibrium. Coordination on technology B is assumed to be payoff-dominant. We define a technology's critical mass as the minimum share of users necessary to make...

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...