This paper analyzes the market for checks using the monopoly problem as an approximation. The need for such an analysis arises due to the following policy proposal : the Turkish government considers increasing the lump-sum amount that drawee banks are legally responsible to pay per bad check. We...

We ask whether barriers to entry are a quantitatively important reason for the income gap between developing countries and the U.S. We develop a tractable general equilibrium model that captures the effects of barriers to entry and the other main classes of distortion typically considered in the...

As in other sectors, competition in finance matters for allocative, productive and dynamic efficiency. Theory suggests, however, that unfettered competition is not first best given the special features of finance. I review these analytics and describe how to assess the degree of competition in...

The paper presents the evolution of the natural monopoly term in the economic literature. Using the citations of the authors the article shows various approaches to the natural monopoly concept from the very beginning till nowadays. The definition of natural monopoly has been changing over time...