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ANALYSIS OF PRICE VARIATIONS AND INTEGRATION OF BROILER CHICKEN EGGS MARKET IN WEST SUMATRA Putri, Mega Amelia; Yelfiarita, Yelfiarita; Afrizal, Roni; Arnayulis, Arnayulis
Jurnal AGRISEP JURNAL AGRISEP VOL 21 NO 01 2022 (MARCH)
Publisher : Badan Penerbitan Fakultas Pertanian, Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (409.419 KB) | DOI: 10.31186/jagrisep.21.1.31-44

Abstract

Chicken eggs are one of the primary sources of protein for people in West Sumatra. The level of consumption continues to increase every year, while the availability of broiler eggs is not stable. This condition illustrates the problems faced by consumers and producers, namely price instability. Market integration is a metric that demonstrates how price changes in the reference market affect price changes in the follower market. The objective of this research is to examine the price variation and market integration of broiler eggs in West Sumatra. Coefficient of variation analysis is used to examine price variation, while cointegration analysis with the Vector Autoregression (VAR)/Vector Error Correction Model (VECM) model is used to investigate market integration. The variations coefficient analysis shows that the price of chicken eggs on the market is relatively more stable than that of the consumer market. The results of the integration analysis show that there is no integration between the market for broiler eggs at the producer and consumer levels, both in the long and short term. This is due to the information asymmetry between the two markets.
Mitigating Agricultural Methane Emissions through Policy Reform: Long-Run Evidence from Indonesia’s Climate-Aligned Transition Putri, Mega Amelia; Karimi, Syafruddin; Ridwan, Endrizal; Muharja, Fajri
Indonesian Journal of Agriculture and Environmental Analytics Vol. 5 No. 1 (2026): January 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijaea.v5i1.14769

Abstract

Agricultural methane (CH₄) emissions remain a critical yet under-addressed component of global climate mitigation, particularly in tropical economies. This study investigates the long- and short-run drivers of CH₄ emissions from Indonesia’s agricultural sector between 1970 and 2022, focusing on three major sources: rice cultivation, enteric fermentation, and manure management. Using a dynamic econometric framework—including Autoregressive Distributed Lag (ARDL), Dynamic Ordinary Least Squares (DOLS), and Newey–West estimators—we quantify source-specific impacts and evaluate structural changes following post-2008 climate policy reforms. Results confirm rice cultivation as the dominant long-run contributor, where a 1% increase in CH₄ from paddy fields corresponds to a 0.72% rise in total agricultural methane emissions. Enteric fermentation and manure management also show significant effects, though to a lesser extent. A post-2008 policy dummy indicates a structural shift in emission dynamics, reflecting Indonesia’s transition toward climate-aligned agriculture through REDD+ and the National Action Plan for GHG Reduction (RAN-GRK). Short-run dynamics reveal corrective adjustments after emission shocks, highlighting system responsiveness to policy and environmental changes. The study underscores both the potential and the limitations of national mitigation efforts in reshaping long-term emission trends. Findings suggest that methane mitigation strategies—such as alternate wetting and drying (AWD) in rice farming and improved feed quality for livestock—can reduce emissions without compromising productivity. This study offers novel empirical insights for policymakers and climate practitioners seeking to integrate food security, sustainability, and low-emission agricultural development in emerging economies.