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On estimating optimal α-returns to scale
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Journal Article
On estimating optimal α-returns to scale
2019
Overview
From a theoretical point of view,
-returns to scale is a relevant alternative to traditional DEA models for estimating production technologies under global returns to scale assumptions such as strictly increasing or strictly decreasing returns to scale. However, from a methodological and empirical point of view, a remaining question is the estimation of
. This contribution proposes an effective methodology to estimate an optimal value of
based upon a goodness-of-fit strategy. A global method using a grid search is presented first. Second, for generalised FDH technologies, a minimum extrapolation principle is developed to estimate directly the optimal
-returns from a linear program. An illustration on 63 US industries over the period 1987-2012 shows the relevancy of our approach.
Publisher
Taylor & Francis,Taylor & Francis, Ltd,Palgrave Macmillan
