List of Articles Efficiency change Open Access Article Abstract Page Full-Text 1 - Survey Economies of Scale Efficiency Changes in government and Private Banks by Using Stochastic Frontier Production Function Farid Sefati Taghi Torabi Kambiz hozhabr Kiani Open Access Article Abstract Page Full-Text 2 - Total Factor Productivity of Manufacturing Sector in India: A Regional Analysis for the State of Haryana Shallu Sehgal Suparn Sharma