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Dividend problems in the dual risk model
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Orientador(es)
Resumo(s)
We consider the compound Poisson dual risk model, dual to the well known classical risk model for
insurance applications, where premiums are regarded as costs and claims are viewed as profits. The
surplus can be interpreted as a venture capital like the capital of an economic activity involved in research
and development. Like most authors, we consider an upper dividend barrier so that we model the gains
of the capital and its return to the capital holders.
By establishing a proper and crucial connection between the two models we show and explain clearly
the dividends process dynamics for the dual risk model, properties for different random quantities involved
as well as their relations. Using our innovative approach we derive some already known results
and go further by finding several new ones. We study different ruin and dividend probabilities, such as
the calculation of the probability of a dividend, distribution of the number of dividends, expected and
amount of dividends as well as the time of getting a dividend.
We obtain integro-differential equations for some of the above results and also Laplace transforms.
From there we can get analytical results for cases where solutions and/or inversions are possible, in other
cases we may only get numerical ones. We present examples under the two cases.
Descrição
Palavras-chave
Dual Risk Model Classical Risk Model Ruin Probabilities Dividend Probabilities Discounted Dividends Dividend Amounts Number of Dividends
Contexto Educativo
Citação
Afonso, Lourdes B., Rui MR Cardoso and Alfredo D. Egídio Dos Reis. (2013) "Dividend problems in the dual risk model". Insurance: Mathematics and Economics 53 (3): pp. 906-918.