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All Journal Zero : Jurnal Sains, Matematika, dan Terapan Indonesia Berdampak: Jurnal Pengabdian Kepada Masyarakat
Mawarni Mawarni
Universitas Samudra
Agriculture, Biological Sciences & Forestry Humanities Chemistry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Mathematics Physics Social Sciences Other

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Pendampingan dan Pemberdayaan UMKM Kopi melalui Penguatan Branding dan Manajemen Keuangan Sederhana di Desa Cane Toa Mawarni Mawarni; Fairus Fairus; Intan Sari
Indonesia Berdampak: Jurnal Pengabdian kepada Masyarakat Vol. 1 No. 2 (2025): JULI-DESEMBER
Publisher : Indo Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63822/m8hcze07

Abstract

Local coffee micro, small, and medium enterprises (MSMEs) in Cane Toa Village face several challenges, including the absence of a clear brand identity, limited financial management practices, and inadequate marketing strategies, which hinder their competitiveness and business sustainability. This community service activity aimed to strengthen the capacity of these local coffee MSMEs by enhancing business branding, providing guidance on simple financial record-keeping, and introducing basic product marketing strategies. The program employed a participatory approach, actively involving MSME actors as key partners throughout all stages, using interactive lectures, focused discussions, and hands-on practice. Implementation was carried out in three main stages: preparation and planning, implementation, and monitoring and evaluation, integrated with the student Community Service Program (KKN). The results demonstrated measurable improvements in participants’ competencies: all participants (100%) successfully developed basic branding elements including business names and simple logos, approximately 85% were able to independently maintain daily financial transaction records, and several participants began to apply structured product marketing strategies. Overall, the program effectively enhanced the professionalism and managerial capacity of local coffee businesses, contributed to economic self-reliance within the Cane Toa Village community, and provided a foundation for sustainable business development, although continued mentoring and institutional support are recommended to maintain long-term outcomes.        
Weather-Driven Loss Modeling for Rice Farmers' Losses Using Cobb-Douglas and VaR-ES Nurviana Nurviana; Amelia Amelia; Riezky Purnama Sari; Ulya Nabilla; Mawarni Mawarni; Masthura Masthura
ZERO: Jurnal Sains, Matematika dan Terapan Vol 9, No 3 (2025): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v9i3.26842

Abstract

Weather variability poses significant risks to rice production, leading to potential income losses for farmers and increased uncertainty in agricultural planning. This study integrates a Cobb-Douglas production function with Value at Risk (VaR) and Expected Shortfall (ES) measures to assess weather-driven production losses in Aceh Besar using secondary data on rainfall, temperature, and wind speed from 2010 to 2023. Rice production is first modeled to estimate output sensitivity to climatic factors, after which production losses are derived from forecast-based outcomes. Several candidate parametric probability distributions are fitted to the loss data, and the most suitable distribution is selected based on goodness-of-fit ranking. The results indicate that weather variables significantly reduce rice output and that the production process exhibits decreasing returns to scale. The selected distribution yields a potential loss of IDR 774,352 and an expected loss of IDR 940,160 per hectare at the 95% confidence level. These findings provide a quantitative basis for weather-based agricultural risk assessment and support evidence-based risk mitigation strategies for farmers and policymakers.
Co-Authors Amelia Fairus, Fairus Intan Sari Masthura Masthura Nurviana Riezky Purnama Sari Ulya Nabilla