This paper considers an extension of technical inefficiency to a mor e disaggregate level, viz., input-specific technical inefficiency, based on a stochastic production frontier. Allocative inefficiency is modeled as a departure from the first order conditions for cost mini mization. The...

This paper considers an econometric approach to measure total factor productivity (TFP) growth and technical change (TC) for 31 publicly owned passenger-bus companies in India during 1983-1987. A translog variable cost function is used to represent the production technology. Firm heterogeneity...