The Impact of Corporate Tax Revenue Instability on Economic Growth Rate in IRAN: 1993-2014

Income tax, source of funding and fiscal policy tools to achieve the economic government targets.Fluctuations or instability revenue, causes that the government in planning, to rely on an unreliable source of income and thus, its long-term goals and plans, fail. So, the aim of this study, is to analyze the impact of instability in corporate income tax (CIT) on economic growth in Iran. To reach the goal, the first in a regression model using generalized least squares method, the effect of different variables on corporate income tax and it was calculated error terms. Then the error terms as the instability of corporate income tax and the independent variable in growth model using Auto Regressive Distributed Lags, considered and estimated. To estimate the model, seasonal and variable data for the period: 1993-2014 extracted in the Central Bank of Iran site. The result shows that in the short term, corporate income tax behave differently on economic growth. And in the same time period drastically different effect, but in short run, have a negative effect in subsequent periods like the positive and negative effects of the business cycle due to the seasonality of the data. As a result of long-term negative impact on economic growth with high levels of statistical significance