List of Articles Unit root test Open Access Article Abstract Page Full-Text 1 - Estimating the half-life of stock price mean reverting: an application of Stochastic Differential Equations hadi rahmani fazli ahmad molabahrami Open Access Article Abstract Page Full-Text 2 - A study of the price bubbles in pharmaceutical firms listed in Tehran Stock Exchange saeed khodabakhshzadeh Open Access Article Abstract Page Full-Text 3 - Recognizing the Periods of Developing and Collapsing Multi-Price Bubbles in Housing Market: Case Study of Tehran City Roozbeh Baloonejad noori hamzeh safari Open Access Article Abstract Page Full-Text 4 - Testing for Bubbles in the Import Market of Some Strategic Agricultural Commodities of Iran Majid Maddah نسرین دلفان ندا سمیعی