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All Journal Mimbar Agribisnis: Jurnal Pemikiran Masyarakat Ilmiah Berwawasan Agribisnis Agro Bali: Agricultural Journal Agriecobis : Journal of Agricultural Socioeconomics and Business International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS)
Dian Pebriyani
Department Of Agribusiness University Of Sumatera Utara, Medan, Indonesia
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Environmental Science Social Sciences

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ANALYSIS RISK AND RETURN OF CROPS PORTFOLIO Wibowo, Rulianda Purnomo; Pebriyani, Dian
International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS) Vol. 3 No. 3 (2023): June
Publisher : CV. Radja Publika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/ijebas.v3i3.901

Abstract

Agricultural sector is exposed to risk especially risk in crop price or production volatility. The cropping pattern or mixed cropping is a diversification strategy which is considered as an approach to reduce the risk in agriculture farming. This research was conducted to analyze the combination of two plant types, namely vegetable crops and food crops. Portfolio combine longbean and spinach as vegetable crop portfolio and paddy and corn as food crop portfolio. The risk analysis method is used to calculate expected return, standard deviation and coefficient variation. This research also analyzes the choice of portfolio based on preference using Stochastic Efficiency with Respect to A Fuction (SERF). The results showed that with the aim of reducing the risks from farming, combination of spinach with longbean and paddy with corn can reduce risks and provide greater income. Moreover, at various levels of risk preference, the vegetable portfolio is more preferred than food crops portfolio. This study result implies a potential development for vegetable crops vertical farming in Medan.
CONSUMPTION PATTERNS, PRICE VOLATILITY, AND HOUSEHOLD ADAPTATION BEHAVIOR TOWARD THE RED CHILI COMMODITY IN MEDAN CITY R. B. Moh. Ibrahim Fatoni; Rulianda Purnomo Wibowo; Dian Pebriyani
International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS) Vol. 6 No. 2 (2026): April
Publisher : CV. Radja Publika

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Abstract

Red chili is among the most volatile horticultural commodities and a principal driver of food inflation in Medan City. This study aims to analyze household food consumption patterns, the dynamics and volatility of red chili prices, and consumer adaptation behavior in response to chili price fluctuations. A quantitative-descriptive approach was employed, drawing on a survey of 1,026 households distributed across more than thirty traditional markets, combined with daily market price data for the January 2023–September 2025 period. The data were analyzed using volatility measures (coefficient of variation) and a percentile-based threshold, price–consumption correlation, and chi-square tests. The findings reveal that food expenditure absorbs 65–75 percent of monthly household spending, while red chili is purchased by 92 percent of households on a daily-to-weekly basis, predominantly through traditional markets. The average curly red chili price reached IDR 36,890/kg with a coefficient of variation of 0.40, the highest among the commodities examined. Price and consumption are strongly and negatively correlated (r = –0.68), and the chi-square test confirms a significant relationship between chili price fluctuation and consumption reduction (χ² = 28.512; p = 0.000). Households adapt defensively by seeking cheaper markets, reducing portions, and substituting fresh chili with dried chili or bottled sauce, thereby lowering nutritional quality among low-income coastal households. The policy implications emphasize early-warning price systems, cold-chain strengthening, and supply diversification.
Co-Authors Darus, Mozard Bahauddin Dewi Rahma Yanti Helova Leonard Panjaitan Lily Fauzia Mohammad Jufri R. B. Moh. Ibrahim Fatoni Rulianda Purnomo Wibowo Salmiah Septiyana, Anjeli Tietin Indriyanti Wibowo, Rulianda P.