List of Articles Marginal rate Open Access Article Abstract Page Full-Text 1 - A Critique of neo- Classical Community Indifference Curve اکبر Nafari Open Access Article Abstract Page Full-Text 2 - A Method for Calculating the Marginal Rate in the FDH Model M. Mirzaei S. Kordrostami AR. Amirteimoori M. G. Chegini Open Access Article Abstract Page Full-Text 3 - The indifference points in multi-criteria decision problems (case stady Evalution Supplyers in Zanjan Province Water and Wastewater Company) Reza Radfar ARSHAD FARAHMANDIAN Mohammad Ali Afshar Kazemi Open Access Article Abstract Page Full-Text 4 - Indifferent points in the multicriteria decision making problems Arshad Farahmandian Reza Radfar MohammadAli Afshar Kazemi Open Access Article Abstract Page Full-Text 5 - Indifferent Points in The Multicriteria Decision Making Problems (A Case Study of Suppliers’ Evaluation in Zanjan Province Gas Company) Arshad Farahmandian reza radfar mohammad ali afshar kazemi Open Access Article Abstract Page Full-Text 6 - 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