الملخص

The modern econometric tests were used to state the relation the two changes some of these tests show that the cause was from the total local product to the governmental spending but there is a positive causal relation from the governmental spending to the gross domestic product and this approve with. The modern econometric methods that were used are; the tests the stationary of time series and the co-integrations as Johanss test, optimal lag, vector error correction model and granger causality. The study proved that there is no co-integrations between the growth in the gross domestic product and the investing spending because the Iraq federal budget depended on 70% from the consumptions expenditure and 30% from the Investment expenditure but there wasn't achieve 20% from the investment expenditure because of the illusory projects and the bad management and did not divide the proceeds of Oil correctly on the other economic sector. The results of the tests stated that the optimal lag are two periods and had the least value for these tests during the second time and there is a positive response between the consumptions expenditure and the growth in the gross domestic product and there was a long run co-integrations from the general spending to the gross domestic product during the studying period.