List of Articles Profitability Open Access Article Abstract Page Full-Text 1 - Studying the Impact of the Value Added Tax on Profitability and Survival of the Companies in Tourism Industry (Case study: Hotels in Tehran) Mohammad Hosein Fatheh Ahmad Hasanpor Open Access Article Abstract Page Full-Text 2 - The Impact of Economic Policy Uncertainty on Petrochemical Companies Profitability Ratio Hamidreza Arbab Hamid Amadeh Amin Amini https://doi.org/10.71818/ecj.2024.1062041 Open Access Article Abstract Page Full-Text 3 - Productivity Center and Son Using the Malmquist Global Index Esmael Mombini