levels of competition under different market structures: the inter-sector monopolistic competition and the intra … results. Considering the sectorial market share as the indicator of patent system enforcement, the authors find that growth … patent system translates into a low degree of competition among firms. Its influence on the growth rate goes in a single …

model using data from the domestic US airline market and find significant spillovers in entry. In a counterfactual exercise …

"We consider nonparametric identification in models of differentiated products markets, using only market level … models widely used in applied work. We allow for product/market-specific unobservables, endogenous product characteristics e …) intuition for empirically discriminating between alternative models of oligopoly competition"--National Bureau of Economic …

We use a dynamic oligopoly model of entry and exit to evaluate how entry regulations affect profitability and market …

, often defined by a substantial market share held by one or few incumbent firms. These characteristics have led to a … with price caps in the spot market. The purpose of this study is to understand the effects of capacity mechanisms on the … market structure. We consider a model with dominant firms and a competitive fringe and investigate the impact of price caps …

determinants of cross-country differences in the persistence of productivity differentials Specifically, we focus on the effects of … product market structure and technology diffusion. It is found that the manufacturing industries display a wide range of … convergence rates. Consistent with theories, the persistence of productivity differentials is found to be positively correlated …

This paper develops a theory of oligopoly and markups in general equilibrium. Firms compete in a network of product … market rivalries that emerges endogenously out of the characteristics of the products and services they supply. My model … new measure of firm productivity that accounts for product quality; 2) a metric of network centrality, which captures the …