Indonesian Abstract: Penelitian ini bertujuan untuk mengetahui dampak perubahan harga CPO di pasar dunia terhadap value ekspor komoditas kelapa sawit dan perekonomian Indonesia yang diwakili oleh pertumbuhan ekonomi (PDB), laju inflasi (INF), nilai tukar riil rupiah (IDR) dan jumlah uang yang...

The high frequency of mobile phone users affect the competitive conditions of telecommunication services operators. Mobile phone users tend to search for telecommunication operators that provide price/tariff economically in accordance with demands they want. As one of telecommunication...