List of Articles Negative data Open Access Article Abstract Page Full-Text 1 - Computing the efficiency interval of decision making units (DMUs) having interval inputs and outputs with the presence of negative data M. Rostamy-Malkhalifeh F. seyed Esmaeili Open Access Article Abstract Page Full-Text 2 - Three steps method for portfolio optimization by using Conditional Value at Risk measure S. Navidi sh. Banihashemi M. Sanei 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 - Effect of Relocation and Rotation on Radial Efficiency Scores for a Partially Negative Data Problem S .Sarkar Open Access Article Abstract Page Full-Text 5 - 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 6 - Estimating Most Productive Scale Size with Double Frontiers in Data Envelopment Analysis using Negative Data F. Roozbeh R. Eslami M. Ahadzadeh Namin Open Access Article Abstract Page Full-Text 7 - تاثیر شاخص متا مالمکوئیست روی بهینه سازی سبد دارایی زهره طائب شکوفه بنی هاشمی 10.30495/ijim.2022.61818.1532 Open Access Article Abstract Page Full-Text 8 - Evaluating the Efficiency of Firms with Negative Data in Multi-Period Systems: An Application to Bank Data S. Kordrostami‎‎ M. Jahani Sayyad ‎Noveiri Open Access Article Abstract Page Full-Text 9 - Estimation of portfolio efficient frontier by different measures of risk via DEA M. Sanei S. ‎Banihashemi‎ M. ‎Kaveh‎ Open Access Article Abstract Page Full-Text 10 - Using MODEA and MODM with Different Risk Measures for Portfolio Optimization Sarah Navidi Mohsen Rostamy-Malkhalifeh Shokoofeh Banihashemi 10.22034/amfa.2019.1864620.1200 Open Access Article Abstract Page Full-Text 11 - Malmquist Productivity Index under Network Structure and Negative Data: An Application to Banking Industry Seyed Ehsan Shojaie Seyed Jafar Sadjadi Reza Tavakkoli Moghaddam Open Access Article Abstract Page Full-Text 12 - Efficiency Evaluation in Presence of Undesirable and Negative Factors Mahnaz Maghbouli Mahdi Eini Farhad Taher Open Access Article Abstract Page Full-Text 13 - A Bounded Additive Model for Efficiency Evaluation in Two-Stage Production Systems With Negative Data Hamidreza Babaei Asil Reza Kazemi Matin Mohsen Khounsiavash Zohreh Moghaddas Open Access Article Abstract Page Full-Text 14 - Upgrading inefficient decision making units (with negative data) towards common weights (using DEA) Hossein Abbasiyan Open Access Article Abstract Page Full-Text 15 - 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 16 - Allocation models for DMUs with negative data Ghasem Tohidi Maryam Khodadadi Open Access Article Abstract Page Full-Text 17 - Financial performance measurement of the top 50 companies on the stock exchange using non-radial models of data envelopment analysis Saeid Rezaeilava Mirfeyz Fallah Masoud Sanei Shokofeh Banihashemi Open Access Article Abstract Page Full-Text 18 - A generalized cost Malmquist index to compare the productivities of units with negative data in DEA G. Tohidi S. Razavyan S. Tohidnia Open Access Article Abstract Page Full-Text 19 - Estimation of inputs and outputs in the general production possibility set with negative data based on the inverse DEA Javad Gerami