List of Articles Efficient Frontier Open Access Article Abstract Page Full-Text 1 - An algorithm for the anchor points of the PPS of the CCR model Dariush Akbarian Open Access Article Abstract Page Full-Text 2 - Estimating Production Function under Endogeneity: A Model Based on Data Envelopment Analysis Roghyeh Malekii Vishkaeii Behrooz Danishian Farhad Hosseinzadeh lotfi Open Access Article Abstract Page Full-Text 3 - Differential Characteristics of Efficient Frontiers in DEA with Weight Restrictions S. Sohraiee