It is common practice to decompose measures of efficiency into component measures of technical and allocative efficiency. In this paper we show how, and why, to decompose a general measure of technical efficiency into component measures of purely technical efficiency, congestion, and scale efficiency, and we investigate the properties of each measure. We do so for a multiple-output technology which satisfies a weak axiom system that does not include either constant returns to scale or strong input disposability. These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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