01041nam0 2200277 450 00002635320090709101817.0978-0-387-35155-120090702d2007----km-y0itay50------baengUSy-------001yyAdvanced robust and nonparametric methods in efficiency analysismethodology and applicationsCinzia Daraio, Léopold SimarNew YorkSpringerc2007248 p.graf. e tab.24 cmStudies in productivity and efficiency2001Studies in productivity and efficiencyAdvanced robust and nonparametric methods in efficiency analysis43311Modelli e metodi matematiciDaraio,Cinzia312945Simar,Léopold383823ITUNIPARTHENOPE20090702RICAUNIMARC000026353213/137-138577-582NAVA22009Advanced robust and nonparametric methods in efficiency analysis43311UNIPARTHENOPE