Abstrak___________________________________________________________________Teori purchasing power parity (paritas daya beli) adalah teori yang menjelaskan hubungandiantara inflasi dan nilai tukar. Penelitian ini menguji pengaruh teori paritas daya beli pada dollarAmerika, dollar Singapura dan yen Jepang terhadap rupiah Indonesia. Penelitian menggunakanalat analisis Error Correction Model Engle-Granger periode 2005-2012. Variabel dependen dalampenelitian ini adalah nilai tukar, sedangkan untuk variabel independen adalah inflasi, suku bunga,pertumbuhan ekonomi, serta money supply. Tujuan dalam penelitian ini adalah untuk megujipengaruh teori PPP antara dollar Amerika, dollar Singapura dan yen Jepang dengan rupiahIndonesia pada jangka pendek dan jangka panjang. Hasil penelitian ini menunjukkan bahwadalam jangka panjang teori paritas daya beli di Indonesia terhadap ketiga mata uang asing berlaku,serta dalam jangka pendek teori PPP Indonesia terhadap dua mata uang asing berlaku, kecualiuntuk Singapura.Abstract___________________________________________________________________The theory of Purchasing Power Parity is a theory that explains the relationship between inflation andexchange rate. This study examines the effect of the theory of Purchasing Power Parity of the United Statesdollar, Singapore dollar and Japanese yen against Indonesian rupiah. This study is using an analysis tool thatcalls Error Correction Eagle-Granger Model, period 2005-2012. Dependent variable in this study is theexchange rate, while the independent variables are inflation, interest rates, economic growth, and the moneysupplay. The purpose of this study is to examining the influence of the theory of Purchasing Power Paritybetween United States dollar, Singapore dollar, and Japanese yen against Indonesian rupiah in the short andlong term. The result of this study indicated that in the long term the theory of Purchasing Power Parity inIndonesia against third of foreign currencies is applicable. And in the short term the theory of PurchasingPower Parity in Indinesia against two foreign currency is applicable, except for Singapore..
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