Barnum, Darold T.; Gleason, John M. - In: Applied Economics Letters 14 (2007) 9, pp. 623-626
We show that an organization's technical efficiency scores are biased downward by linear aggregation of the quantities of the same type of output that are produced by multiple subunits (intra-output aggregation). We expand the models of Fare et al. (2002, 2004) and Barnum and Gleason (2005) to...