
Bank Efficiency in Transitional Countries: Sensitivity to Stochastic Frontier Design (Irsova Z.)Bank Efficiency
Abstract 
This article provides an empirical insight on the heterogeneity in the estimates of banking efficiency produced by the stochastic frontier approach. Using data from five countries of Central and Eastern Europe, we study the sensitivity of the efficiency score and the efficiency ranking to a change in the design of the frontier. We found that the average scores are significantly smaller when the transcendental logarithmic functional form is used in the profi t efficiency measurement and when the scaling effect is neglected in the cost efficiency measurement. The implied bank ranking is robust to changes in the stochastic frontier definition for cost efficiency, but not for pro fit efficiency. 
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Irsova Z. (2010) "Bank Efficiency in Transitional Countries: Sensitivity to Stochastic Frontier Design", William Davidson Institute Working Paper No. 998, pp. 1  31 

