In a diffusion model of risk, we focus on the initial capital needed to make the probability of ruin within finite time equal to a prescribed value. It is defined as a solution of a nonlinear equation. The endeavor to write down and to investigate analytically this solution as a function of the...

Risk measures in finance and insurance -- Fixed-probability level in a diffusion model -- Fixed-probability level in an exceptional renewal model -- Implicit function defined by M-equation -- Fixed-probability level in general renewal model -- Case study : numerical evaluation of...

In a diffusion model of risk, we focus on the initial capital needed to make the probability of ruin within finite time equal to a prescribed value. It is defined as a solution of a nonlinear equation. The endeavor to write down and to investigate analytically this solution as a function of the...