frontiers based on a panel dataset of Greek commercial banks over the period 1993 to 2005. Second, on the basis of the same … sample, it also compares the most widely used parametric and nonparametric techniques to cost efficiency measurement, namely … predictions of cost and profit efficiency methods than between parametric and nonparametric techniques. Such evidence is new in …

methodology. Overall, the results suggest that Eastern European banking had considerable scope for X-efficiency improvements …. However, the results also demonstrate that the efficiency gap between the sample countries declined over the period, and fewer … environmental factors contributed to the difference in the banking efficiency levels. …