List of Articles Two-Stage Structure Open Access Article Abstract Page Full-Text 1 - Designing a Dynamic two-stage data envelopment analysis model to calculate partial and periodic efficiency Reza Soleymani-Damaneh Open Access Article Abstract Page Full-Text 2 - A Heuristic Method on Extended Two-Stage Network Structures R. Ahmadzadeh S. Kordrostami A.r. Amirteimoori Open Access Article Abstract Page Full-Text 3 - Performance Assessment of Investment Firms under Uncertainty Pejman Peykani Farhad Hosseinzadeh Lotfi Emran Mohammadi Reza Tehrani Open Access Article Abstract Page Full-Text 4 - Assessment of two-stage processes cross-efficiency in the presence of undesirable factors Alireza Amirteimoori Maryam Nematizadeh Maryeh Nematizadeh 10.30495/ijdea.2022.69944.1187 Open Access Article Abstract Page Full-Text 5 - The Relationship between Financial Investment and Malmquist Productivity Index Based on Data Envelopment Analysis in Network Structure (Case Study: Tehran Metro Stations) Ali Mohammad Gholiha Farhad Hosseinzadeh Lotfi Mohammadreza Shahriari Mohsen Vaez-Ghsemi Open Access Article Abstract Page Full-Text 6 - تحلیل پوششی داده های شبکه ای پنجره ای: کاربرد در شرکت های سرمایه گذاری P. Peykani E. Mohammadi Open Access Article Abstract Page Full-Text 7 - Malmquist Productivity Index under Network Structure and Negative Data: An Application to Banking Industry Seyed Ehsan Shojaie Seyed Jafar Sadjadi Reza Tavakkoli Moghaddam