This paper investigates the effect of short-sale constraints on price efficiency. We use a unique global dataset on equity lending, collected from several custodians, from January 2004 to June 2006. This information is available weekly for 17,015 stocks from 26 countries. Our main findings are...

This paper uses the cross-sectional variance of the betas to study herd behavior towards the market index in major developed and emerging financial markets (categorized as Developed group, Asian group, and Latin American group). We propose a robust regression technique to calculate the betas of...

Building on a model of the interaction of risk-averse firms that compete in forward and spot markets, we develop an empirical strategy to test whether oligopolistic firms use forward contracts for strategic motives, for risk-hedging, or for both. An increase in the number of players weakens the...

This paper studies the identification of the costs of simultaneous search in a class of (portfolio) problems studied by Chade and Smith (2006). We show that aggregate data from a single market, or disaggregate data from a single market segment, do not provide sufficient information to identify...

This paper looks at the determinants of country and industry specific factors in international portfolio returns using a sample of thirty-six countries and thirty-nine industries over the last three decades. Country factors have remained relatively stable over the sample period, while industry...

In this paper we test the profitability of momentum strategies in the United Kingdom, Germany, Japan and China over the period 1991 to 2006 and sub-periods. Both RSS (Relative Strength Strategies) and WRSS (Weighted Relative Strength Strategies) are used to form the momentum portfolios. We find...

This paper uses currency option data from the BMF, the Commodities and Futures exchange in Sao Paulo, Brazil, to investigate market expectations on the Brazilian Real-U.S. dollar exchange rate from October 1994 through March 1999. Using options data, we derive implied probability density...

This paper looks at the responsiveness of a country's export supply to exchange rate changes and measures its quantitative importance by breaking down export adjustments between changes in output levels by existing exporters (intensive margin) and movements due to changes in the number of...

En este documento se analizan dos empresas con actividades muy similares: Boston Chicken, una cadena de más de 1.700 restaurantes especializados en comida casera, y TelePizza, una cadena de más de 700 pizzerías. Ambas crecieron mucho en la década de los noventa y tuvieron un período de...

En este documento se cuantifica la creación de valor para los accionistas de Endesa (ELE), de Iberdrola (IBE) y Unión Fenosa (UNF) entre diciembre de 1991 y diciembre de 2006. En ese periodo, el aumento de la capitalización (en millardos de euros) fue: ELE 33,4; IBE 26,3 y UNF 10,5. La...