Keywords = Undesirable output
Estimating the directional scale elasticity of two-stage processes in the presence of undesirable outputs

Volume 7, Issue 3, October 2022, Pages 57-88

Roghayeh Azizi Usefvand; Sohrab Kordrostami; Alireza Amirteimoori; Maryam Daneshmand-Mehr


A new approach to computing congestion with linear weak disposability assumption of undesirable outputs

Volume 4, Issue 2, August 2019, Pages 123-144

mina Fouladvand; alireza amirteimoori; sohrab kordrostami