We build a model of the news market where advertisers allocate their ads between a social media platform and a news website. Our objective is to evaluate policy interventions aimed at fostering news creation by transferring revenues from social media to news websites already introduced in...

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...

This paper examines the publication of quality indicators in service markets with public finance systems, such as education and healthcare markets. We provide a spatial model of product differentiation in which the reporting of such indicators increases consumers’ decision weight on quality...