The wave of consolidation and the rapid increase in market concentration that took place in most Latin American countries has generated concerns about the rise in banks' market power and its potential effects on consumers. This paper advances the existing literature by testing the market power...

We provide a characterization of the Greek banking system's efficiency and productivity under the new environment that the Economic and Monetary Union (EMU) participation implies. We consider cost and profit efficiency as well as productivity change of commercial banks using the nonparametric...