Frontier cost efficiency and technical change are examined for separate panels of Spanish commercial and savings banks over 1985-91, a period in which interest rates were totally deregulated and geographical restrictions were removed. Deregulation was supposed to provide an opportunity for the...

Modelling and testing whether competitive pressures driven by deregulatory changes make markets more competitive are examined. Departures from competitive markets are modelled via mark-up prices. Empirically, a panel data is used on Spanish savings banking industry that is undergoing...