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All Journal Mimbar Agribisnis: Jurnal Pemikiran Masyarakat Ilmiah Berwawasan Agribisnis Journal of Food System and Agribusiness (JoFSA)
Difah, Deby Ananda
Bogor Agricultural University, Indonesia
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Environmental Science Social Sciences

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Transmisi Harga Beras di Indonesia: Pendekatan Threshold Cointegration Deby Ananda Difah; Harianto Harianto; Dedi Budiman Hakim
Journal of Food System & Agribusiness Volume 3 Nomor 2 Tahun 2019
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jofsa.v3i2.1561

Abstract

Rice is a staple food that is still a top priority for most of Indonesian. The widening difference between the rice price at the farmer level and the retail price of rice indicates the presence of asymmetric vertical price transmission. A stable and affordable price is one of the important components needed to maintain food distribution. The price of food commodities that fluctuate too much can be relied upon by farmers as producers, processors, traders to consumers, and about social unrest. To maintain stability of staple food prices, the government is open to keep rice prices at a certain level that can benefit farmers and consumers alike. This research used Threshold Vector Error Correction Model (TVECM) to estimate threshold value and to analyze rice price transmission relationship at farm level and retail level. The data used monthly time series data from January 1990 to September 2016. The results show that the estimated threshold value obtained is -0.092. This suggests that when the deviation of retail price and farmers in long-term equilibrium exceeds 9.2 percentage, the price of retail rice will adjust to achieve its equilibrium so that the two rice prices have a cointegration relationship. Conversely, when the deviation of rice prices is less than 9.2 percentage, there will be no price adjustment and no market integration. The price of retail rice has increased faster than the price at the farm level. Keywords: cointegration, price transmission, rice, threshold
Kajian Integrasi Vertikal dan Dinamika Pasar Beras di Jawa Timur Difah, Deby Ananda; Nurunisa, Venty Fitriany; Fitri, Annisa
Mimbar Agribisnis : Jurnal Pemikiran Masyarakat Ilmiah Berwawasan Agribisnis Vol 11, No 2 (2025): Juli 2025
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/ma.v11i2.19405

Abstract

This study aims to analyze the relationship of vertical integration in the rice market in East Java Province, involving the producer, wholesaler, and retailer levels. The main focus of this research is to analyze price transmission between different market levels and the interconnection among market players within the rice supply chain. The method used is secondary data analysis in the form of weekly time series from January 2020 to August 2024, applying the Vector Autoregression (VAR) model and the Augmented Dickey-Fuller (ADF) stationarity test. The analysis results show that rice prices between market levels influence each other in a bidirectional manner, with a significant long-term effect from retail prices. The wholesale market also plays a crucial role in price transmission between market levels. These findings reflect the complex rice market structure in East Java, which requires further attention in formulating pricing policies to achieve sustainable stability.
Co-Authors Annisa Fitri Dedi Budiman Hakim Harianto Harianto Venty Fitriany Nurunisa