This research is aimed at recognizing the influence of wariables of inflation, exchange rate, and export toward domestic investment in Indonesia in the first quarter of 2008 untul the third quarter of 2015 by aoolying the method of error correlation model (ECM). The research data used in this research ware secondary data gathered from Capital Investment Coordinating Board, Bank Indonesia, and Central Bureau of Statistic. The research indicates that in a long term the variables of export and exchange rate give positive and significant influence toward domestic investment, whilsh inflation give negative and significant influence toward domestic investment. In a short term, the variable of inflation and export give positive and significant influence toward domestic investment, whilst exchange rate givesnegative and significant influence toward domestic investment