This paper studies the welfare effects of wholesale price discrimination between downstream firms operating under different regulatory systems. I model a monopolistic intermediate good market in which production cost differences between downstream firms may be due to regulatory or technological...

We examine electricity market reform in Brazil: from the 1990s till 2004 the largely hydro-powered market cleared using a market mechanism, and in March 2004 reformed to a single buyer structure. We model monthly log price differences using a two-state Markov Switching model, allowing water...

We develop an analysis of ex ante monitoring of risky projects in banking. If protected from competition, banks are more concerned about not catching good risk projects when the perceived state of the economy improves, while they are more concerned about being induced to finance bad risk...