There is not a day goes by without a passionate debate concerning Big Tech companies; while the main concern of governments seems to be related to social justice, a growing worry is associated with the consequences that large firms have on consumer welfare; nowadays these big entities engage in...

Problem Definition: We empirically evaluate the short-term effects of time-based tariffs on the electricity demand, consumer welfare, retailers and the environment.Academic/Practical Relevance: Electricity retailers around the world have been introducing time-based pricing programs. We study the...

Regulations of product markets serve legitimate objectives but, when ill-designed, can impose unnecessary restrictions on competition, and therefore on business dynamism, productivity and ultimately well-being. A recent update of the OECD’s Product Market Regulation indicator for Costa Rica...

How should multilateral trade policy be designed in a world in which countries differ in terms of market access and technology, and firms with market power differ in terms of productivity? We answer this question in a model of monopolistic competition in which variable markups increasing in firm...

The rise of online platforms has disrupted numerous traditional industries. A prime example is the short-term accommodation platform Airbnb and how it affects the hotel industry. On the one hand, consumers can profit from Airbnb due to an increased number of choices and lower prices. On the...

The nature, and normative properties, of competition in health care markets has long been the subject of much debate. In this paper we consider what the optimal benchmark is in the presence of moral hazard effects on consumption due to health insurance. Intuitively, it seems that imperfect...

The rise of online platforms has disrupted numerous traditional industries. A prime example is the short-term accommodation platform Airbnb and how it affects the hotel industry. On the one hand, consumers can profit from Airbnb due to an increased number of choices and lower prices. On the...

We develop a tractable general equilibrium model of oligopolistic competition that allows for endogenous product differentiation and exhibits various forms of competition, ranging from perfect to monopolistic competition, simultaneously. Our unified framework provides a novel way to integrate...

Poland’s productivity has grown strongly over the past decade, and efforts to reduce the regulatory burden have been significant. Despite impressive progress, product market regulation remains more burdensome than in most OECD countries, partly due to the importance of red tape and the level...