List of Articles Undesirable outputs Open Access Article Abstract Page Full-Text 1 - Efficiency Decomposition in Multi-Stage Network with Inputs and Desirable and Undesirable Outputs in Data Envelopment Analysis Fatemeh Saeedi Aval Noughabi Najmeh Malekmohammadi Shabnam Razavyan 10.30495/ijdea.2023.74256.1199 Open Access Article Abstract Page Full-Text 2 - Estimation of Returns to Scale in the Presence of Undesirable (bad) Outputs in DEA when the Firm is Regulated F .Emami M .Rostamy malkhalifeh H .Safdari Open Access Article Abstract Page Full-Text 3 - Some Conditions for Characterizing Minimum Face in Non-Radial DEA Models with Undesirable Outputs Sevan Sohraiee Open Access Article Abstract Page Full-Text 4 - Resource allocation based on DEA for distance improvement to MPSS points considering environmental factors Azam Mottaghi Reza Ezzati Esmaeil Khorram Open Access Article Abstract Page Full-Text 5 - An inverse DEA approach in the presence of undesirable outputs based on the directional distance function Javad Gerami Open Access Article Abstract Page Full-Text 6 - Fixed cost allocation in two-stage system in the presence of undesirable outputs Leila Emami Farhad Hosseinzadeh Lotfi Mohsen Rostamy