List of Articles Neda Kavand Article 1 - Optimistic and Pessimistic Fuzzy Data Envelopment Analysis: Empirical Evidence from Tehran Stock Market 10.30495/fomj.2021.1931398.1028 Pejman Peykani Mohammad Namakshenas Nasim Arabjazi Fatemeh Shirazi Neda Kavand Fuzzy Optimization and Modeling Journal , Issue 2 , Year , Spring 2021