We discuss the nonparametric approach to profit efficiency analysis at the firm and industry levels in the absence of complete price information, and propose two new insights. First, choosing one commodity (whose price is known) as a numeraire good enables us to measure profit inefficiency in...

This study attempts to analyse the profit efficiency of Indian banks during 2008-2012 to offer an understanding of their business performance and trends during the period. The extant literature suggests that conventional ratio-based performance measures are inadequate to address the different...