Effects of tax policies which applied in developing countries to decisions of investment: For instance Turkey

Aim of this study is expalining to increase of total insvestment, an intermediate puropose to reach purposes of fiscal policy, how is affect from tax policies in developing countries. Therefore firstly, it was interpreted affects of tax policy investment and relationship of tax policy-insvestment. Afterthen, some countries which reached to achievement by applying tax policy for increase of investment were introduced. Tax policies which applied to make increase to insvestment, R&D investments and datas of socioeconomic of Turkey were explained age of after 2000. In Turkey, importance of R&D investment could have not been sensed and there is no fiscal rules, which make increase affectes of tax policies, within tax system of Turkey. Tax system of Turkey must have been revise to make increase to R&D insvestment amd the process must be approval fiscal rules.