List of Articles Long-Memory Open Access Article Abstract Page Full-Text 1 - Modeling and Forecasting Air Pollution of Tehran Application of Autoregressive Model with Long Memory Properties reza akhbari Hamid Amadeh 10.22034/jest.2018.12462 Open Access Article Abstract Page Full-Text 2 - Choosing an optimal Model for Explaining & Forecasting the Volatility of Iranian Gold Price Returns: a Comparison of GARCH, IGARCH & FIGARCH Models Mahdi Shahrazi