A novel XGamma extension: applications and actuarial risk analysis under the reinsurance data

被引:18
作者
Alizadeh, Morad [1 ]
Afshari, Mahmoud [1 ]
Ranjbar, Vahid [2 ]
Merovci, Faton [3 ]
Yousof, Haitham M. [4 ]
机构
[1] Persian Gulf Univ, Dept Stat, Bushehr 75169, Iran
[2] Golestan Univ, Dept Stat, Gorgan, Iran
[3] Univ Mitrovica Isa Boletini, Fac Mech & Comp Engn, Mitrovica 40000, Kosovo
[4] Benha Univ, Dept Stat Math & Insurance, Banha 13518, Egypt
来源
SAO PAULO JOURNAL OF MATHEMATICAL SCIENCES | 2024年 / 18卷 / 01期
关键词
Cullen-Frey plot; Maximum product spacing; Mean excess loss function; Risk exposure; Risk indicators; Value-at-risk; Xgamma model; MODEL;
D O I
10.1007/s40863-023-00373-9
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Continuous distributions can be used to characterize risk exposure successfully. It is preferable to use a numerical value, or at the very least, a limited selection of numbers, to show the degree of exposure to a particular threat. These risk exposure figures, often known as major risk indicators, are indisputably a specific model's output. The risk exposure in the reinsurance revenues data is defined in this study using five important indicators. We create a new XGamma extension specifically for this use. The maximum-likelihood method, maximum product spacing, and least square estimation were used to estimate the parameters. Under a certain set of circumstances and controls, a Monte Carlo simulation study is carried out. Five crucial risk indicators, including value-at-risk, tail-value-at-risk, tail variance, tail mean-variance, and mean excess loss function, were also used to explain the risk exposure in the reinsurance revenue data. These statistical measurements were created for the new model that was provided.
引用
收藏
页码:407 / 437
页数:31
相关论文
共 28 条
[1]   On the coherence of expected shortfall [J].
Acerbi, C ;
Tasche, D .
JOURNAL OF BANKING & FINANCE, 2002, 26 (07) :1487-1503
[2]   The Exponential T-X Family of Distributions: Properties and an Application to Insurance Data [J].
Ahmad, Zubair ;
Mahmoudi, Eisa ;
Alizadeh, Morad ;
Roozegar, Rasool ;
Afify, Ahmed Z. .
JOURNAL OF MATHEMATICS, 2021, 2021
[3]   A new family of heavy tailed distributions with an application to the heavy tailed insurance loss data [J].
Ahmad, Zubair ;
Mahmoudi, Eisa ;
Dey, Sanku .
COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION, 2022, 51 (08) :4372-4395
[4]   New methods to define heavy-tailed distributions with applications to insurance data [J].
Ahmad, Zubair ;
Mahmoudi, Eisa ;
Hamedani, G. G. ;
Kharazmi, Omid .
JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE, 2020, 14 (01) :359-382
[5]  
Artzner P., 1999, N. Am. Actuar. J, V3, P11, DOI [DOI 10.1080/10920277.1999.10595795, 10.1080/10920277.1999.10595795]
[6]   Half-Logistic Xgamma Distribution: Properties and Estimation under Censored Samples [J].
Bantan, Rashad ;
Hassan, Amal S. ;
Elsehetry, Mahmoud ;
Kibria, B. M. Golam .
DISCRETE DYNAMICS IN NATURE AND SOCIETY, 2020, 2020
[7]  
Cordeiro GM, 2020, REVSTAT-STAT J, V18, P593
[8]   Tail variance premium with applications for elliptical portfolio of risks [J].
Furman, Edward ;
Landsman, Zinoviy .
ASTIN BULLETIN, 2006, 36 (02) :433-462
[9]  
Gleaton J., 2006, J. Probab. Stat. Sci., V4, P51
[10]  
Gleaton J. U., 2010, Journal of Probability and Statistics, V8, P1