Study Relation Among Mechanism Government Company And rate Effective Tax the door Companies Accepted the door Exchange Papers

This Research to the review Relation Among Mechanism یاه Government Company And rate Effective Tax the door Companies Accepted هدش the door Exchange Papers راداهب Tehran will pay. to the This Purpose ، Data یاه Related to the دون And Two Company Accepted هدش the door Exchange Papers راداهب Tehran To the period When 1393 ات 1387 Extraction And From pattern Regression Data یاه hybrid To Test Hypothesis Use هدش Is also To Decomposition And Analysis Results to the Hand Come on Research From The software 20 Spss, 7 Eviews and Excel Use هدش ,Results Research sign یم Give That Among rate Interest Effective Tax With reward And number members Board Director Relation Positive And meaningful Existence has it And Relation Among rate Interest Effective Tax With Combination Board Director Confirmation Failed.