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...

This paper is focused on an activity that has received little attention in the bankingliterature, namely the Off-Balance Sheet activities (OBS). After examining what is meant behind the name OBS activities, the fast growth these operations have shown over the period 1985-1995, and the main...