National culture and eco-efficiency: an application of conditional partial nonparametric frontiers
George HalkosLaboratory of Operations Research, Department of Economics, University of Thessaly, Korai 43, 383 33, Volos, GreeceNickolaos TzeremesLaboratory of Operations Research, Department of Economics, University of Thessaly, Korai 43, 383 33, Volos, Greece
2013en
ABI
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