List of Articles portfolio Open Access Article Abstract Page Full-Text 1 - Evaluating the efficiency of bank branches with random data Maryam Ghashami Farhad Hosseinzadeh lotfi Open Access Article Abstract Page Full-Text 2 - Robust Portfolio Optimization with risk measure CVAR under MGH distribution in DEA models Morteza Robatjazi Shokoofeh Banihashemi Navideh Modarresi Open Access Article Abstract Page Full-Text 3 - Portfolio Performance Evaluation in a Modified Mean-Variance-Skewness Framework with Negative Data Sh. Banihashemi M. Sanei M. Azizi Open Access Article Abstract Page Full-Text 4 - Cross Efficiency Evaluation with Negative Data in Selecting the Best of Portfolio Using OWA Operator Weights Sh. Banihashemi M. Sanei Open Access Article Abstract Page Full-Text 5 - Estimating the Efficient Portfolio in Non-Radial DEA and DEA-R Models Forod Najafi Mohammad Reza Mozaffari