List of Articles Lerner index Open Access Article Abstract Page Full-Text 1 - Estimating of market power and marketing margin in the Iranian horticultural products market using the non-structural approach of Lerner index (Case study of apple product) mojtaba barzegar devin Gholam reza yavari abolfazl mahmoodi 10.30495/jaeer.2023.68802.10935 Open Access Article Abstract Page Full-Text 2 - Measuring Monopoly Power of Manufacturing Industry in Iran: Stochastic Frontier Functions Approach Farhad Khodadad Kashi Jafar Ebadi Seyed Ziaoddin Kiaalhoseini Khalil Heidari