This paper analyses the symmetry of daily returns in the Madrid stock market and in the exchange rates of the peseta against the US dollar , the Japanese yen and the German mark. Given the non-normality of the returns, the problem is tackled under alternative distributions, and a procedure is...

This paper analyzes the dynamics of cost efficiency scores in the Spanish banking industry during the period 1985-1995 and asks how such dynamics are influenced by specialization. Efficiency has been estimated through a nonparametric approach, and a model of distributions dynamics has been...