A generalized distance function
University of Wisconsin--Madison, Dept. of Agricultural Economics, 1993 - Business & Economics - 19 pages
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A2 and A3 allocative and scale allocative efficiency Alternatively analysis are discussed assumptions A2 average cost function Baumol Caves CRTS Data Envelopment Analysis defined Econometrica economic efficiency efficiency measurements efficiency of production efficient scale equation Fare and Mitchell Farrell Forsund frontier technology function D(x,y,T,a G R+ G R+m G V(y,T homogenous of degree input distance function input vector input-based inputs and outputs inputs or outputs isoquant Jean-Paul Chavas Journal of Econometrics Malmquist productivity index measure of technical MEASUREMENT OF PRODUCTIVITY measures the proportional non-empty output attainability output distance function output vector Production Functions productivity analysis productivity and efficiency proportional rescaling Proposition ray average cost reference technology rescale both inputs return to scale Rolf scale efficiency index scale VRTS Shephard's attainability assumption Shephard's attainability axiom Shephard's distance functions technical efficiency index Teusch underlying technology University of Wisconsin-Madison upper semi-continuity variable return weaker attainability assumption x G V(y,T