Published: 31 July 2026

Original Research Article

Measuring Risk Aversion Behavior Using Szpiros Approach: Case Study in Indonesias Life Insurance Industry

10.65689/iajvol2no1pp001-012
Kristio Rapi (1), Dominicus Savio Priyarsono (2), Siti Jahroh (3), Toni Bakhtiar (4)
(1) School of Business, IPB University, Bogor, Indonesia ,
(2) Department of Economics, IPB University, Bogor, Indonesia ,
(3) School of Business, IPB University, Bogor, Indonesia ,
(4) Department of Mathematics, IPB University, Bogor, Indonesia
001-012
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149

Forecasting and Financial Risk Analysis Using ARIMA Intervention Model: A Case Study on JMAS Tbk

10.65689/iajvol2no1pp013-023
Rina Yuliantika (1), Indah Gumala Andirasdini (2)
(1) Department of Actuarial Science, Institut Teknologi Sumatera, South of Lampung, Indonesia ,
(2) Department of Actuarial Science, Institut Teknologi Sumatera, South of Lampung, Indonesia
013-023
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86

Multiple Decrement Modeling of BPJS Health Transitions Under Air Pollution Exposure in DKI Jakarta

10.65689/iajvol2no1pp024-039
Bernadeth Saskia Laudya Cintya (1), Leyton Raynaldo Ozzora (2), Helena Margaretha (3), Ferry Vincenttius Ferdinand (4)
(1) Mathematics Department, Faculty of Science and Technology, Universitas Pelita Harapan, Tangerang, Indonesia ,
(2) Mathematics Department, Faculty of Science and Technology, Universitas Pelita Harapan, Tangerang, Indonesia ,
(3) Mathematics Department, Faculty of Science and Technology, Universitas Pelita Harapan, Tangerang, Indonesia ,
(4) Mathematics Department, Faculty of Science and Technology, Universitas Pelita Harapan, Tangerang, Indonesia
024-039
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116

Estimation of Ruin Probabilities in an Extended Risk Model with Inhomogeneous Claim Counts and Financial Risks

10.65689/iajvol2no1pp040-051
Nyanumba Walter Motanya (1), Oduar D. Brian (2), Joseph O. Nyakinda (3)
(1) Jaramogi Oginga Odinga University of Science and Technology, Kenya ,
(2) Jaramogi Oginga Odinga University of Science and Technology, Kenya ,
(3) Jaramogi Oginga Odinga University of Science and Technology, Kenya
040-051
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79

Government Employees with Employment Agreements Pension Fund Valuation Across 17 Salary Grades Using Entry Age Normal and Projected Unit Credit

10.65689/iajvol2no1pp052-068
Khalil Rafif (1), Illuminata Wynnie, S.Si., M.Si. (2)
(1) Actuarial Science, Mathematics Departement, Hasanuddin University, Makassar, Indonesia ,
(2) Actuarial Science, Mathematics Departement, Hasanuddin University, Makassar, Indonesia
052-068
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119

Robust E-Bayesian Estimation and Prediction of Esscher Premium for Car Insurance Claim Frequencies Under a Negative Binomial Model

10.65689/iajvol2no1pp069-080
Eli Zulkatri (1), Muhammad Azka (2), Ahmad Fuad Zainuddin (3)
(1) Actuarial Science, Institut Teknologi Kalimantan, Balikpapan, Indonesia ,
(2) Actuarial Science, Institut Teknologi Kalimantan, Balikpapan, Indonesia ,
(3) School of STEM, Universitas Prasetiya Mulya, Tangerang, Indonesia
069-080
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138

Stochastic Multi-State Modeling for Critical Illness Insurance With Integration of Non-Homogeneous Trends and Pandemic Shocks

10.65689/iajvol2no1pp081-095
Kenneth Gunawan (1), Helena Margaretha (2), Wastu Winayaka (3)
(1) Department of Mathematics, Faculty of Science and Technology, Universitas Pelita Harapan ,
(2) Department of Mathematics, Faculty of Science and Technology, Universitas Pelita Harapan ,
(3) Department of Mathematics, Faculty of Science and Technology, Universitas Pelita Harapan
081-095
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121

Portfolio Optimization and Risk Estimation of LQ45 Mining Stock Using The ARIMA-GARCH-EVT-COPULA Hybrid Model as Alternative Pension Fund Investment

10.65689/iajvol2no1pp096-111
Dyah Ayu Mahanani (1), Galuh Oktavia Siswono (2), Ulil Azmi (3)
(1) Department of Actuarial, Faculty of Science and Data Analytics, Sepuluh Nopember Institute of Technology, Surabaya, Indonesia ,
(2) Department of Actuarial, Faculty of Science and Data Analytics, Sepuluh Nopember Institute of Technology, Surabaya, Indonesia ,
(3) Department of Actuarial, Faculty of Science and Data Analytics, Sepuluh Nopember Institute of Technology, Surabaya, Indonesia
096-111
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104