Goodness-of-Fit Procedures for Compound Distributions with an Application to Insurance
Journal of Statistical Theory and Practice(2022)
Abstract
Goodness-of-fit procedures are introduced for testing the validity of compound models. New tests that utilize the Laplace transform as well as classical tests based on the distribution function are investigated. A major area of application of compound laws is in insurance, to model total claims resulting from specific claim frequencies and individual claim sizes. Monte Carlo simulations are used to compare the different test procedures under a variety of specifications for these two components of total claims. A detailed application to an insurance dataset is presented.
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Key words
Compound distributions, Goodness-of-fit tests, Katz family, Laplace transform, 62G10, 62G20
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