List of Articles investment risk Open Access Article Abstract Page Full-Text 1 - Dynamic Analysis of the Performance of Iranian Financial Markets Based on Investment Risk: Application of Social Network Analysis and System Dynamics رضا رادفر معصومه میرزایی نژاد لیمویی Kiamars Fathi Hafshjani https://doi.org/10.71818/ecj.2025.1062345 Open Access Article Abstract Page Full-Text 2 - Examining the time of entry into the stock market and the effect of the desire of small investors of companies admitted to the stock exchange Seyed Farzad Hashemi Mohammad Karbalaei Open Access Article Abstract Page Full-Text 3 - The impact of business strategy on the cost of equity, considering the moderating role of information system quality Arefe Amani hafshejani Maryam Emamimibody