A. Koutsomanoli-Fillipaki

Evaluating cost and profit efficiency: a comparison of parametric and nonparametric methodologies

M. Delis, C. Staikouras, A. Koutsomanoli-Fillipaki, 2009 .

An Empirical Investigation of Operating Costs of banks in the South Eastern European Countries

E. Mamatzakis, C. Staikouras, A. Koutsomanoli-Fillipaki, 2005 .

An Empirical Investigation of Operating Costs in the new European banking landscape

C. Staikouras, A. Koutsomanoli-Fillipaki, 2005 .