List of Articles هزینه ثابت Open Access Article Abstract Page Full-Text 1 - A Bargaining Game Model for Estimating Efficiency of the Multi-stage Network with Fixed Cost Allocation and its Applications Kayvan Moradipour Sanaz Asadi Rahmati Elham Abdali 10.30495/eco.2022.1941475.2579 Open Access Article Abstract Page Full-Text 2 - The Differing Effects of firm Size and Industry on Firm Profitability Mahnaz Mollanazari Yadollah Nourifard Shaghayagh Ghashghaei Abdi