Determinants of Investors FinancialBehavior in Tehran Stock Exchange

Decision making and investors’ behavior are affected by various factors in Tehran stock exchange. Based on theoretical perspective; investors collect the key information of decision making by study of the macro and micro levels of investment environments. In order to analyze the research data, path analysis and LISREL software are used. The results indicate that political factors with 62%, psychological factors with 53%, economic factors with 47% and internal factors with 31% are the most important factors that affect the stocks trading in Tehran Stock Exchange. Not only political and psychological factors have direct effect, but also they affect the investor's financial decision making indirectly (through intended interest rate) 16% and 11%, respectively. Total effect of political and psychological factors on investors financial decision making are 79% and 64%, respectively.