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Making Tweedie's compound Poisson model more accessible

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      <subfield code="a">Delong, Lukasz</subfield>
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      <subfield code="a">Making Tweedie's compound Poisson model more accessible</subfield>
      <subfield code="c">Lukasz Delong, Mathias Lindholm, Mario V. Wüthrich</subfield>
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      <subfield code="a">The most commonly used regression model in general insurance pricing is the compound Poisson model with gamma claim sizes. There are two different parametrizations for this model: the Poisson-gamma parametrization and Tweedie's compound Poisson parametrization. Insurance industry typically prefers the Poisson-gamma parametrization. We review both parametrizations, provide new results that help to lower computational costs for Tweedie's compound Poisson parameter estimation within generalized linear models, and we provide evidence supporting the industry preference for the Poisson-gamma parametrization.

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      <subfield code="a">Modelo Tweedie</subfield>
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      <subfield code="a">Distribución Poisson-Beta</subfield>
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      <subfield code="a">Matemática del seguro</subfield>
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      <subfield code="a">Lindholm, Mathias </subfield>
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      <subfield code="a">Wüthrich, Mario V.</subfield>
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      <subfield code="t">European Actuarial Journal</subfield>
      <subfield code="d">Cham, Switzerland  : Springer Nature Switzerland AG,  2021-2022</subfield>
      <subfield code="g">07/06/2021 Volúmen 11 - Número 1 - junio 2021 , p. 185-226</subfield>
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