عنوان مقاله [English]
This study has examined the dynamic effects of government expenditure and government shocks on production, consumption and investment variables of the private sector. The statistical population of this research is Iran and the data is a seasonal time series for the time period 1992: 1 to 2015: 4 with the fixed prices of the year 1376. The research has been carried out using statistical analysis and econometrics based on the theoretical principles of Blanchard-Perotti in 2002 and the LP model by Jorda in 2005. The results of the LP immediate responses model state that the Gross Domestic Product response to government spending shocks has meaningful and positive relations and it does not affect the tax shock in short term decreasing run also in long term run. Following these results, the effects of government expenditures on private sector investment in the short term run are decreasing and it has positive and significant effects in long term runs, and the effects of tax shocks on private sector investment are decreasing and significant. The results of the private sector responses to government expenditures and tax shocks are also positive and significant.