Analisis pada Modifikasi Model Siklus Bisnis Kaldor

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Mahmun Ainullah
Norma Muhtar
Edi Cahyono

Abstract

Model siklus bisnis adalah salah satu sistem dinamika dalam bidang ekonomi. Ada beberapa model siklus bisnis, di antaranya adalah model Kaldor. Model siklus bisnis Kaldor direpresentasikan dalam sistem persamaan diferensial. Model ini melibatkan variabel produksi dan stok modal yang dipengaruhi oleh investasi dan simpanan. Dalam tulisan ini, investasi dan simpanan diasumsikan sebagai fungsi logistik dan logaritma dari produksi. Selanjutnya ditentukan titik kesetimbangan model dan dianalisis kestabilannya pada daerah di sekitar titik kesetimbangan tersebut. Diperoleh dua titik kesetimbangan, satu besifat tak stabil sementara satunya stabil dengan lintasan (trajectory) spiral. Solusi numerik juga ditampilakn dengan menggunakan metode Runge-Kutta orde empat.

Article Details

Section
Applied Mathematics

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