Credibility premium for rate-making systems |
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| Authors: | Amir T Payandeh Najafabadi Fatemeh Atatalab Maryam Omidi Najafabadi |
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| Institution: | 1. Mathematical Sciences Department, Shahid Beheshti University, Tehran, Iran;2. ECO College of Insurance, Allameh Tabatabái University, Tehran, Iran;3. Department of Agricultural Extension and Education, Science and Research Branch, Islamic Azad University, Tehran, Iran |
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| Abstract: | Credibility formula has been developed in many fields of actuarial sciences. Based upon Payandeh (2010 Payandeh, A.T. (2010). A new approach to the credibility formula. Insur.: Math. Econ. 46(2):334–338.Crossref], Web of Science ®] , Google Scholar]), this article extends concept of credibility formula to relatively premium of a given rate-making system. More precisely, it calculates Payandeh’s (2010 Payandeh, A.T. (2010). A new approach to the credibility formula. Insur.: Math. Econ. 46(2):334–338.Crossref], Web of Science ®] , Google Scholar]) credibility factor for zero-inflated Poisson gamma distributions with respect to several loss functions. A comparison study has been given. |
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| Keywords: | Bayes estimator Linear credibility formula Loss functions Rate-making system |
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