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The aim of this paper is to assess the impact of information technology (IT) on the productivity and efficiency of …
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A rich literature on the analysis of efficiency in production has developed since pioneering work of Tjalling Koopmans … some shape constraints, in multiple dimensions. New results that enable inference about mean efficiency as well as tests of … convexity, returns to scale, differences in mean efficiency and the separability condition described by Simar and Wilson …
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