We examine turbulence over the product life cycle using the lowest possible level of industry aggregation, allowing for the use of panel data to study the evolution of single product markets. We find that replacement of exiting firms by subsequent entry plays a primary role in generating...

We analyze the influence of endogenous competitiveness on multinational activity. Competitiveness is endogenized by assuming that firms differ on R&D commitment power, i.e.: some firms are leaders in R&D. We show that firms with higher commitment power tend to invest more in R&D and consequently...

We use a dynamic oligopoly model of entry and exit to evaluate how entry regulations affect profitability and market structure in retail. The model incorporates demand and store-level heterogeneity. Based on unique data for all retail food stores in Sweden, we find that the average entry costs...