TüRK YE’DE KAMU HARCAMALARININ EKONOM K BüYüME VE YATIRIMLAR üZER NE ETK LER N N ANAL Z (1980–2005) = THE ANALYSIS OF THE IMPACTS OF PUBLIC EXPENDITURES ON ECONOMIC GROWTH AND INVESTMENTS IN TURKEY (1980-2005)

With the models established based on the two-sector production function, the impacts of aggregate public expenditures on economic growth and on aggregate investments are investigated for Turkey. The impacts of public expenditures on aggregate investments are in order to expose crowding-out effect. Public expenditures, in respect of economic classification criterion, are taken into consideration as current, transfer and investment expentidures. As a result of the study it is reached that an increase in public expenditures affects the economic growth negatively and in the period 1980-2005, the factor productivity of private sector is more than of public sector. In addition, it is found that an increase in public expenditures, in the short term, affects aggregate investments positive because of positive externalities; however, in the long term, creates crowding-out effect because of augmentation occured in government size.