Piot-Lepetit, Isabelle; Vermersch, Dominique; Weaver, Robert - In: Applied Economics 29 (1997) 3, pp. 331-338
The existence of persistent technical inefficiency offers the opportunity for a 'free lunch' not typically implied by the neoclassical theory of the firm. When external effects are related to the use of particular inputs, reduction of persistent technically inefficient levels of input use...