Switching costs and network effects bind customers to vendors if products are incompatible, locking customers or even markets in to early choices. Lock-in hinders customers from changing suppliers in response to (predictable or unpredictable) changes in efficiency, and gives vendors lucrative ex...

We argue that at the level of the national economy, an import quota transforms national welfare in the form of government revenues and consumer surplus into producer surplus to the domestic monopolist protected by the quota. An import quota confers substantial market power to the local...

Roy (Safety First and the Holding of Assets, 1952) argues that decisions under uncertainty motivate firms to avoid bankruptcy. In this paper, the authors ask about the behaviour of a monopolist who pre-commits to price when she has only probabilistic knowledge about demand. They argue that...

We correct and extend the results of Gans (2015) regarding the effects of net neutrality regulation on equilibrium outcomes in settings where a content provider sells its services to consumers for a fee. We examine both pricing and investment effects. We extend the earlier paper's result that...

We analyze the design of dynamic menus to sell experience goods. The quality of the product is initially unknown, and the total quantity sold in each period determines the amount of information in the market. We characterize the optimum menu as a function of consumers' beliefs, and the dynamic...

El Real Decreto 222/2008 estableció un nuevo modelo retributivo para la actividad de la distribución de la energía eléctrica en España. En esta normativa se contempla la utilización de un modelo de red para fijar algunos de los parámetros que intervienen en la fórmula retributiva de cada...

In many instances of price discrimination, a seller of an item is in possession of signals from competing buyers regarding their private valuation for the item. If the seller uses this information to price discriminate against the buyer, buyers would correspondingly modify their signalling...

This paper shows that the private incentive for mix-and-match compatibility in system markets diverges from the social planner's incentive if competing suppliers are asymmetric in production cost or product quality. There can be too much or too little compatibility when the market is served by...