List of Articles stock prices crash risk Open Access Article Abstract Page Full-Text 1 - Modeling and Identifying Hierarchy of the Effective Measures of Negative Criteria Skewness on Stock Returns and the Extra Sigma of Stock Price Crash Risk in the Tehran Stock Exchange with Panel Data Approach Rosam Ranjbar navi Mohsen Hamidian Ali Baghani Open Access Article Abstract Page Full-Text 2 - Modeling and Identifying Hierarchy of the Effective Measures of DUVOL Criteria and the period of falling stock prices in Tehran Stock Exchange with Panel Data Approach Rosam Ranjbar navi Mohsen Hamidian Ali Baghani