Reviewing the impact of macro economic factors on operating cost stickiness in Tehran stock exchange

This research review impact of macro economic factors (Inflation rate, short term interest rate, long term interest rate) on operating cost stickiness of companies listed in Tehran stock exchange. For this on base on elimination method 91 firms were chosen and needed data were extracted from the firms and central bank for hypothesis test. Revenue, inflation rate, short term interest rate, long term interest rate and dummy variable as independent variables and operating cost stickiness as dependent variable using multi variable linear regression were tested. This research has done base on annual observation (2007-2012).results show there is negative meaningful relation between inflation rate and operating cost stickiness and it can be said with increasing inflation rate, operating cost stickiness of firms decrease and also there is positive meaningful relation between short term interest rate and operating cost stickiness and it can be said with increasing short term interest rate, operating cost stickiness of firms increase. But there is no meaningful relation between long term interest rate and operating cost stickiness and it can be said long term interest rate doesn’t have meaningful impact on operating cost stickiness of active firms in Iran stock market.