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 …

oligopoly competition. From a practical perspective, our results clarify the types of instrumental variables needed with market …We present new identification results for nonparametric models of differentiated products markets, using only market … heterogeneity, product/market unobservables, and endogenous prices. Our supply model posits nonparametric cost functions, allows …

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 …

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 …