Lewis, Herbert F.; Mallikarjun, Sreekanth; Sexton, Thomas R. - In: European Journal of Operational Research 229 (2013) 2, pp. 529-539
Data envelopment analysis (DEA) allows us to evaluate the relative efficiency of each of a set of decision-making units (DMUs). However, the methodology does not permit us to identify specific sources of inefficiency because DEA views the DMU as a “black box” that consumes a mix of inputs...