In this paper we deal with the measurement of technical efficiency (or X-efficiency) of institutions whose operations might be significantly affected by macroeconomic, environmental and non-controllable factors. For this purpose we introduce a four-stage DEA methodology based on the approach...

This paper is aimed at exploring how X-efficiency or management quality is associated with one of the most vivid forms of international banking, that is, entering new markets by setting up foreign subsidiaries. The analysis focuses on the supposition that management quality ought to be one of...

This paper shows through the combination of output-orientated data envelopment analysis (DEA) with the calculation of Malmquist indexes that the obvious and persistent differences in growth and levels of per capita income and labour productivity between the German states are less caused by...