This paper applies an innovative DEA (Data Envelopment Analysis) model, the Inverse -convex model, in order to investigate the technical efficiency of a representative sample of Chinese banks. The banks are ranked according to their efficiency over the period 1998-2008. The results paint a mixed...

This paper applies the B-convex model in order to investigate the technical efficiency of a representative sample of US airlines over the period 1998–2010. The results are mixed and reveal that US airlines’ efficiency can be influenced by the size of the airline, mergers and acquisitions,...

This paper analyses technical efficiency in French airports from 2005 to 2008 with the inverse B-convex model. This methodology is adopted permitting to relax the traditional convexity hypothesis common in DEA (data envelopment analysis) literature. The policy implications of the study is that...