developing an integrated ism and dematel method for eco-nomic and political factors influencing investors' decision-making in investing in the stock exchange

This study examines the political and economic factors influencing the deci-sion of investors in the stock exchange. for this purpose, first, by using the meta synthesis method, the factors affecting investment decisions were extracted from previous research, and then, using the delphi technique, the identified features were evaluated and approved by experts. then, the using dematel method, the relationships between the factors were analysed, and finally, the sequence and rank of each factor were determined based on the interpretive structural model-ling method. based on the results obtained from the dematel method, for-eign political news and revolutionaries and international economic revolutionar-ies are the most influential factor on other factors, and predicting the country's economic situation in the future is the most influential factor among other factors. also, the results of the interpretive structural model approach show that political factors such as the comments of political officials, iran's political relations with other countries and internal security and stability have the greatest impact on investment decisions.