Kerstens, Kristiaan; Woestyne, Ignace Van de - IÉSEG School of Management, Université Catholique de Lille - 2009
The need to adapt Data Development Analysis (DEA) and other frontier models in the context of negative data has been a rather neglected issue in the literature. Silva Portela, Thanassoulis, and Simpson (2004) proposed a variation on the directional distance function, a very general distance...