List of Articles Herfindahl-Hirschman Index Open Access Article Abstract Page Full-Text 1 - Investigating the effect of risk and competitiveness indicators of banks on systemic risk with the marginal expected shortfall (MES) approach using the GMM model meysam fadaee vahed mohammad Ali Dehghan Dehnavi ali divandari meysam amiry Open Access Article Abstract Page Full-Text 2 - Investigating the Impact of Competition in the Product Market Using the Herfindahl-Hirschman Index on the Efficiency of Investing in Human Resources in Companies Listed on the Tehran Stock Exchange Hamid Reza Mohammadi Atefeh Abbasi Open Access Article Abstract Page Full-Text 3 - The Effect of Electronic Banking on Return on Equity for Selected Banks in Tehran Stock Exchange سید شمس الدین حسینی حمید فرامرزی عباد Open Access Article Abstract Page Full-Text 4 - Creating Sustainable Income through the Cashew Nuts Value Chain (Evidence from Ghana) Nicholas Oppong Mensah Richmond Anaman Kingsford Nyarko- Fordjour Samuel Afotey Anang Anthony Donkor Jacqueline Twintoh 10.22034/jon.2021.1931764.1115 Open Access Article Abstract Page Full-Text 5 - Investigating the Market Structure and Comparative Advantage of Medicinal Plants Export in Iran and World Selected Countries erfaneh rasekhjahromi samaneh noraniazad 10.30495/jae.2023.26356.2205