We investigated the productivity disparities of the small commercial banks of old European Union member countries (EU-12) and new European Union member countries (EU-10) over the 1997–2001 period in this study. Bank categorisation and comparison is based on banks' total assets size and...

Lack of information about technology and prices often hampers the empirical assessment of the validity of the profit maximization hypothesis. We show that the non-parametric Data Envelopment Analysis (DEA) methodology comprises natural tools for dealing with such incomplete information. In...