This article aims to explain the idea of X-efficiency, which indicates the difference between potential and actual output. If any business subject produces below its own potentials, it can be considered X-inefficient. To determine whether X-inefficiency in Croatian companies exists, how large it...

This study investigates the trend of X-(in) efficiencies across Eastern European 2004-accession countries' banking industries over the period 1999 to 2003. We use Data Envelopment Analysis (DEA) estimators to obtain proxies for X-(in)efficiencies and we then analyse the inter-country industry...