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A Functional Approach to Approximations for the Individual Risk Model
| Content Provider | Scilit |
|---|---|
| Author | Pitts, Susan M. |
| Copyright Year | 2004 |
| Description | A functional approach is taken for the total claim amount distribution for the individual risk model. Various commonly used approximations for this distribution are considered, including the compound Poisson approximation, the compound binomial approximation, the compound negative binomial approximation and the normal approximation. These are shown to arise as zeroth order approximations in the functional set-up. By taking the derivative of the functional that maps the individual claim distributions onto the total claim amount distribution, new first order approximation formulae are obtained as refinements to the existing approximations. For particular choices of input, these new approximations are simple to calculate. Numerical examples, including the well-known Gerber portfolio, are considered. Corresponding approximations for stop-loss premiums are given. |
| Related Links | https://www.cambridge.org/core/services/aop-cambridge-core/content/view/BA947AD1407F7C496E740D7B6891E88D/S051503610001374Xa.pdf/div-class-title-a-functional-approach-to-approximations-for-the-individual-risk-model-div.pdf |
| Ending Page | 397 |
| Page Count | 19 |
| Starting Page | 379 |
| ISSN | 05150361 |
| e-ISSN | 17831350 |
| DOI | 10.1017/s051503610001374x |
| Journal | ASTIN Bulletin |
| Issue Number | 2 |
| Volume Number | 34 |
| Language | English |
| Publisher | Cambridge University Press (CUP) |
| Publisher Date | 2004-11-01 |
| Access Restriction | Open |
| Subject Keyword | ASTIN Bulletin Total Claim Amount Distribution Compound Distributions loss Premiums Fréchet Derivatives |
| Content Type | Text |
| Resource Type | Article |
| Subject | Finance Accounting Economics and Econometrics |
