Kuosmanen, Timo; Johnson, Andrew L - 2018
, envelops all observed data. In this paper we show that DEA can be interpreted as nonparametric least squares regression subject … squares (COLS) method. We show that this new method, which we term corrected concave nonparametric least squares (C2NLS) is … constrained special case of DEA. Applying these insights, we present a nonparametric variant of the corrected ordinary least …