hamzah, lies maria and Nabilah, S U and Russel, Edwin and Usman, Mustofa and Virginia, Erica and Wamiliana, Wamiliana (2020) Dynamic Modelling and Forecasting of Data Export of Agricultural Commodity By Vector Autoregressive Model. Journal of Southwest Jiaotong University, 55 (3). pp. 1-10. ISSN 0258-2724

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Official URL: http://jsju.org/index.php/journal/article/view/631

Abstract

The Vector Autoregressive Model (VAR) is one of the statistical models that can be used for modeling multivariate time series data. It is commonly used in finance, management, business and economics. The VAR model analyzes the time series data simultaneously to arrive at the right conclusions while dynamically explaining the behavior of the relationship between endogenous variables, as well as endogenous and exogenous variables. From time to time, the VAR model is influenced by its own factors via Granger Causality. In this study, we will discuss and determine the best model to describe the relationship among data export value of Indonesia's agricultural commodities—coffee beans, cacao beans and tobacco—where the monthly data spans the years 2007-2018. Several models are applied to the data, such as VAR (1), VAR (2), VAR (3), VAR (4) and VAR (5) models. As a result, the VAR (2) model was chosen as the best model based on the Akaike’s Information Criterion with Correction, Schwarz Bayesian Criterion, Akaike’s Information Criterion and Hanna-Quinn Information Criterion for selecting statistical models. The dynamic behavior of the three export variables of Indonesian coffee beans, cacao beans and tobacco is explained by Granger Causality. Furthermore, the best model VAR (2) is used to forecast the next 10 months. Keywords: Agricultural Commodity, Vector Autoregressive Model, Dynamic Behavior, Granger Causality, Forecasting

Item Type: Article
Subjects: Q Science > QA Mathematics
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA) > Prodi Matematika
Depositing User: WAMILIANA
Date Deposited: 07 Jul 2020 07:41
Last Modified: 07 Jul 2020 07:41
URI: http://repository.lppm.unila.ac.id/id/eprint/23005

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