Cost-efficiency, scale efficiency, and productivity change are estimated by data envelopment analysis; and cost-efficiency is regressed on explanatory variables. No evidence is found for average productivity responding to deregulation over the period studied. State-owned banks are found to be...

This study investigates the relationship between production efficiency in financial intermediation and financial system size. The study predicts and tests for the existence of ""systemic scale economies"" (SSEs), whereby value-maximizing intermediaries operating in large systems are expected to...