We estimate an equilibrium model of dynamic oligopoly with durable goods and endogenous innovation to examine the effect of competition on innovation in the PC microprocessor industry. Firms make dynamic pricing and investment decisions while consumers make dynamic upgrade decisions,...

We investigate the relationship between competition and innovation using a dynamic oligopoly model that endogenizes both the long-run innovation rate and market structure. We use the model to examine how various determinants of competition, such as product substitutability, entry costs, and...

The entry of flexible-capacity sharing economy platforms (e.g., Airbnb and Uber) has potentially changed the competitive landscape in traditional industries with fixed- capacity incumbents and volatile demand. Leveraging panel data on hotels and Airbnb, we study how the sharing economy...