Asmild, Mette; Hougaard, Jens Leth; Kronborg, Dorte - Centre of Management Science and Production Economics, … - 2011
In this paper we examine the possibility of using the standard Kruskal-Wallis rank test in order to evaluate whether the distribution of efficiency scores resulting from Data Envelopment Analysis (DEA) is independent of the input (or output) mix. Recently, a general data generating process (DGP)...
