Developing National Income and It’s Effect on Investment in Production Economic Sectors in Iraq

Abstract

The research aims to estimate and analysis the Investment Functions system for production ( Commodity ) economic sectors , by Seemingly Unrelated Regression Equations Approaches (SURE) , through pooling the time series data for production sectors to determine the nature of relationship between total fixed capital in production sectors and national income during the period (1985-2005) . The results of application show that the estimations are more efficiency and significance from (OLS) estimate for each sector . also show that total fixed capital in any sector determine by the size of total fixed capital in the sector in the previous year (t-1) and the size of national income in year (t) , with various percentages according to the importance of the sector in the national economy .