This paper explores the stock holdings of Spanish households. As found for other developed countries, the major part of Spanish households does not participate in the stock market. We analyse the impact that entry costs can have in this decision by looking at how wealth, education and a series...

This paper analyzes the determinants of governance transparency. In our model, entrepreneurs optimally decide the precision of their earning reporting by trading off the possibility of expropriating profits against the capacity to attract external funding.We find that information is only...

This paper discusses how to introduce liquidity into the well known mean-variance framework of portfolio selection using a representative sample of Spanish equity portfolios. Either by estimating mean-variance liquidity constrained frontiers or directly estimating optimal portfolios for...

In a relatively recent paper, Gehrig and Stenbacka (Eur Econ Rev 51, 77-99, 2007) show that information sharing increases banks’ profits to the detriment of creditworthy entrepreneurs in a model of a banking duopoly with switching costs and poaching. They restrict their analysis to the case in...

This paper studies how the emergence of specialized communication media focused on both high quality contents and high quality advertised products, affects the functioning of a vertically differentiated market. To that end, we formulate a simultaneous game of pricing and targeted advertising...

We analyze third degree price discrimination by an upstream monopolist to a continuum of heterogeneous downstream firms. The novelty of our approach is to recognize that customizing prices may be costly. As a consequence, partial price discrimination arises in equilibrium; in particular,we...

We analyze how a manufacturer with a brand-name drug close to patent expiration decides to launch a product-line extension (an upgrade through innovation) before it faces generic competition. There are two types of physicians: loyal physicians always prescribe first the product-line extension...

The belief that both the behavior and outcomes of students are affected by their peers is important in shaping education policy. I analyze two polar education systems -tracking and mixing- and propose several criteria for their comparison. I find that tracking is the system that maximizes...