This paper examines the influence of environmental factors on the technical and revenue efficiency of German savings banks. It employs a two-step approach, using, first, data envelopment analysis to calculate efficiency and, second, multivariate regressions to examine the influence of regional...

German savings banks play a key role in financing German SMEs. Accordingly, the analysis of their efficiency is of economic importance. We apply data envelopment analysis to explore the influence of the financial crisis (2007 to 2008) as well as the Eurozone crisis (since the end of 2009) on the...

This research paper introduces a methodology to assess the robustness of the Global Innovation Index (GII), by comparing the rankings provided in it with those achieved using alternative data-driven methodologies such as data envelopment analysis (DEA) and principal component analysis (PCA)....