Abstract
The economic relationship between the developed and developing countries grow in last two decade, trade movement and foreign capital inflow increased and the types of FDI variety. This study analyzes the relationship between foreign and domestic investment and their effect upon economic growth in Turkish economy. The issue of theory relationship between FDI and DINV has been focus of attention in the literature since the early 1980s and it is still the subject of consider able controversy. This study try to know if FDI or DINV has a different impact on economic growth, and what is the linkages between them. The study adopted the VAR model which is measure the log-term relationship and the Error Correction Model (ECM) to measure the short-term and finally the Granger Causality test to analyze the direction between them. The empirical results suggest that on average the crowing in effect dominates, the causality run in both direction, and increase in foreign investment accelerate the economic growth through increase in capital accumulation.