FPeramalan Nilai Ekspor Non Migas Berdasarkan Nilai Tukar Rupiah terhadap US Dollar di Provinsi Jawa Timur Menggunakan Fungsi Transfer
Submission Date: 2021-08-05 08:50:04
Accepted Date: 2022-02-27 00:00:00
Abstract
Provinsi Jawa Timur merupakan salah satu provinsi yang memiliki peranan strategis dalam ekspor non migas secara nasional. Salah satu faktor yang mempengaruhi penurunan ekspor non migas yaitu adanya perubahan nilai tukar rupiah terhadap US dollar. Berdasarkan hal tersebut, maka pada penelitian ini dilakukan peramalan kegiatan ekspor non migas di Provinsi Jawa Timur menggunakan metode fungsi transfer dengan variabel input adalah nilai tukar rupiah terhadap US dollar. Hasil penelitian menunjukkan bahwa model peramalan terbaik yang didapatkan adalah model fungsi transfer dengan orde r = 0, s = 0, b = 9 yang artinya nilai ekspor non migas di Provinsi Jawa Timur dipengaruhi oleh nilai tukar rupiah terhadap US dollar sembilan bulan sebelumnya. Hasil peramalan pada tahun 2021 menunjukkan nilai ekspor non migas di Provinsi Jawa Timur cenderung menurun. Berdasarkan plot time series antara hasil ramalan dan nilai aktual diketahui bahwa hasil ramalan tidak mendekati nilai aktual dan memiliki pola yang berbeda, diduga hal ini disebabkan karena variabel input yang digunakan kurang tepat digunakan dalam meramalkan nilai ekspor non migas. Sehingga, penelitian selanjutnya disarankan menggunakan variabel input lainnya yang mempengaruhi nilai ekspor non migas di Provinsi Jawa Timur.
Keywords
Ekspor Non Migas; Fungsi Transfer; Nilai Tukar Rupiah; Peramalan; Provinsi Jawa Timur
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