Aggregation of dependent risks in mixtures of exponential distributions and extensions

JM Sarabia, E Gómez-Déniz, F Prieto… - ASTIN Bulletin: The …, 2018 - cambridge.org
The distribution of the sum of dependent risks is a crucial aspect in actuarial sciences, risk
management and in many branches of applied probability. In this paper, we obtain analytic …

Copula representations for the sum of dependent risks: models and comparisons

J Navarro, JM Sarabia - Probability in the Engineering and …, 2022 - cambridge.org
The study of the distributions of sums of dependent risks is a key topic in actuarial sciences,
risk management, reliability and in many branches of applied and theoretical probability …

Risk aggregation in multivariate dependent Pareto distributions

JM Sarabia, E Gómez-Déniz, F Prieto… - Insurance: Mathematics …, 2016 - Elsevier
In this paper we obtain closed expressions for the probability distribution function of
aggregated risks with multivariate dependent Pareto distributions. We work with the …

Multivariate classes of GB2 distributions with applications

JM Sarabia, V Jordá, F Prieto, M Guillén - Mathematics, 2020 - mdpi.com
The general beta of the second kind distribution (GB2) is a flexible distribution which
includes several relevant parametric families of distributions. This distribution has important …

[HTML][HTML] Dependence in a background risk model

MP Côté, C Genest - Journal of Multivariate Analysis, 2019 - Elsevier
Many copula families, including the classes of Archimedean, elliptical and Liouville copulas,
may be written as the survival copula of a random vector R×(Y 1, Y 2), where R is a strictly …

Conditional tail risk measures for the skewed generalised hyperbolic family

K Ignatieva, Z Landsman - Insurance: Mathematics and Economics, 2019 - Elsevier
This paper deals with the estimation of loss severity distributions arising from historical data
on univariate and multivariate losses. We present an innovative theoretical framework where …

Background risk models and stepwise portfolio construction

AV Asimit, R Vernic, R Zitikis - Methodology and Computing in Applied …, 2016 - Springer
Assuming the multiplicative background risk model, which has been a popular model due to
its practical applicability and technical tractability, we develop a general framework for …

A reconciliation of the top-down and bottom-up approaches to risk capital allocations: Proportional allocations revisited

E Furman, Y Kye, J Su - North American Actuarial Journal, 2021 - Taylor & Francis
In the current reality of prudent risk management, the problem of determining aggregate risk
capital in financial entities has been intensively studied. As a result, canonical methods have …

Impact of dependence modeling of non-life insurance risks on capital requirement: D-Vine Copula approach

H Mejdoub, MB Arab - Research in International Business and Finance, 2018 - Elsevier
The purpose of this paper is to provide an extension to recent contributions in the field of
quantitative risk management by modeling non-life insurance risks in a multivariate …

An application of capital allocation principles to operational risk and the cost of fraud

J Urbina, M Guillen - Expert Systems with Applications, 2014 - Elsevier
The costs of operational risk refer to the capital needed to cover the losses generated by a
firm's ordinary activities. In this paper several capital allocation principles are examined to …