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All Journal Perspectives in Mathematics and Applications (PERMATA)
Mochamad Indrajit Roy
Universitas Islam Negeri Sultan Maulana Hasanuddin Banten
Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Physics

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Penentuan nilai risiko sebagai ambang batas klaim asuransi kendaraan bermotor menggunakan distribusi gamma. Ardiyan Budiman; Wahri Irawan; Mochamad Indrajit Roy
Perspectives in Mathematics and Applications Vol 2 No 01 (2026): Juni
Publisher : Kreasi Pustaka Mandiri (Krestama)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66256/permata.v2i1.47

Abstract

The growth of motor vehicles in Indonesia has increased the risk of traffic accident losses, highlighting the need for accurate claim risk management by insurance companies. One approach to determining claim thresholds is Value-at-Risk (VaR). This study aims to estimate VaR as a claim threshold for motor vehicle insurance by modeling claim amounts using the Gamma distribution. The research methodology includes descriptive analysis of claim data, distribution selection, parameter estimation via maximum likelihood, and goodness-of-fit testing with the Kolmogorov–Smirnov test. The data consist of 113 paid claim amounts from motor vehicle insurance during the 2024–2025 period. The results indicate that the claim data are positive and right-skewed, making them suitable for modeling with a Gamma distribution with shape parameter α = 10.9073 and scale parameter θ = 0.5457. The calculated VaR values are 30.8716 at the 95% confidence level and 36.687 respectively levels.
Co-Authors Ardiyan Budiman Wahri Irawan