List of Articles Time Series Models Open Access Article Abstract Page Full-Text 1 - Predictability Test of Stock Market Price Index in Iran Investment Market and comparing Linear and Nonlinear models predictability potentials Karim Emami Ghodratollah Emamverdi Open Access Article Abstract Page Full-Text 2 - The News Impact of Petrochemical Feedstock Prices Increase on Tehran Stock Market سعید نایب منیژه هادی نژاد فرشته شمس صفا