CramerLundbergCapitalInjections-class: A formal S4 class CramerLundbergCapitalInjections

Description Details Slots References See Also

Description

A formal S4 class representation of Cramer-Lundberg's extension that includes capital injections.

Details

The model is defined as follows:

X_(t) = u + ct + ∑_{k=1}^{N^{(+)}(t)} Y^{(+)}_k - ∑_{i=1}^{N^{(-)}(t)} Y^{(-)}_i

where u is the initial capital (initial_capital), c is the premium rate (premium_rate), N^{(+)}(t) is the Poisson process of positive jumps (capital injections) with intensity λ^{(+)} (capital_injection_poisson_rate), Y^{(+)}_k are iid capital injections' sizes (capital_injection_size_generator and capital_injection_size_parameters), N^{(-)}(t) is the Poisson process of negative jumps (claims) with intensity λ^{(-)} (claim_poisson_arrival_rate), Y^{(-)}_i are iid claim sizes (claim_size_generator and claim_size_parameters).

Objects of class can be created only by using the constructor CramerLundbergCapitalInjections.

Slots

initial_capital

a length one numeric non-negative vector specifying an initial capital.

premium_rate

a length one numeric non-negative vector specifying a premium rate.

claim_poisson_arrival_rate

a length one numeric positive vector specifying the rate of the Poisson process of claims' arrivals.

claim_size_generator

a function indicating the random generator of claims' sizes.

claim_size_parameters

a named list containing parameters for the random generator of claims' sizes.

capital_injection_poisson_rate

a length one numeric positive vector specifying the rate of the Poisson process of capital injections' arrivals.

capital_injection_size_generator

a function indicating the random generator of capital injections' sizes.

capital_injection_size_parameters

a named list containing parameters for the random generator of capital injections' sizes.

References

Breuera L., Badescu A. L. A generalised Gerber Shiu measure for Markov-additive risk processes with phase-type claims and capital injections. Scandinavian Actuarial Journal, 2014(2): 93-115, 2014.

See Also

CramerLundbergCapitalInjections


ruin documentation built on May 2, 2019, 7:31 a.m.