List of Articles Undesirable outputs Open Access Article Abstract Page Full-Text 1 - Efficiency Evaluation in Presence of Undesirable and Negative Factors Mahnaz Maghbouli Mahdi Eini Farhad Taher 20.1001.1.25885723.2020.12.2.9.7 Open Access Article Abstract Page Full-Text 2 - Analysis of environmental efficiency and marginal rate of substitution in the presence of undesirable factors: A DEA-based approach Mansour Soufi Fatemeh Bozorgi Gerdvisheh Mahdi Homayounfar Alireza Amirteimoori Open Access Article Abstract Page Full-Text 3 - Eco-Efficiency in two-stage structure;A DDF Approach Monireh Zoriehhabib Mahnaz Maghbouli Open Access Article Abstract Page Full-Text 4 - Evaluation of the Performance in Dynamic Network Data Envelopment Analysis with Undesirable Outputs Mohammad Najari Alamuti Reza Kazemi Matin Mohsen Khounsiavash Zohreh Moghadas 20.1001.1.25885723.2021.13.3.2.9 Open Access Article Abstract Page Full-Text 5 - Efficiency Evaluation of Economic Enterprise in Presence of Interval Undesirable and Negative Data Mahnaz Maghbouli Mahdi Eini Farhad Taher Fatemeh Ghomanjani Open Access Article Abstract Page Full-Text 6 - Designing a Fuzzy Network Model to Evaluate the Efficiency of Oil and Gas Production Centers in the Country Based on Undesirable Outputs Mehrab Hasanvand Mohammad Taleghani Behrouz Fathi Vajargah Open Access Article Abstract Page Full-Text 7 - A data-based comparison of the two undesirable output disposability approaches in environmental efficiency Azam Pourhabib Yekta Mahnaz Maghbouli Monireh Zorriehhabib