%0 Journal Article %A zhao, Linlin %A hu, Zhangchen %A wang, Jun %A zhuang, Yuliang %T Estimating the impact of contextual variables on the productivity: An enhanced slack-based DEA model %J RAIRO - Operations Research - Recherche Opérationnelle %D 2017 %P 903-920 %V 51 %N 4 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/ro/2016063/ %R 10.1051/ro/2016063 %G en %F RO_2017__51_4_903_0