1) The document investigates the effect of gross domestic investment (GDI) growth on the growth of micro and macroeconomic variables in Jordan from 1987-2012.
2) It uses quantitative econometric methods, including OLS regression, Tobit regression, and Prais-Winston analysis to analyze the relationship between GDI growth and GDP growth, inflation, exchange rate, labor force, and economic policy stability.
3) The results find proportional relationships between GDI growth and GDP growth and labor force growth, and inverse relationships between GDI growth and exchange rate changes and stability of economic policies.