Modeling multi-country mortality dependence and its application in princig survivor index swaps-a dynamic copula approach

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      <subfield code="a">Wang, Chou-Wen</subfield>
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      <subfield code="a">Modeling multi-country mortality dependence and its application in princig survivor index swaps-a dynamic copula approach</subfield>
      <subfield code="c">Chou-Wen Wang, Sharon S. Yang, Hong-Chih Huang</subfield>
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      <subfield code="a">This paper introduces mortality dependence in multi-country mortality modeling using a dynamic copula approach. Specifically, we use time-varying copula models to capture the mortality dependence structure across countries, examining both symmetric and asymmetric dependence structures. In addition, to capture the phenomenon of a heavy tail for the multi-country mortality index, we consider not only the setting of Gaussian innovations but also non-Gaussian innovations under the Lee-Carter framework model. As tests of the goodness of fit of different dynamic copula models, the pattern of mortality dependence, and the distribution of the innovations, we used empirical mortality data from Finland, France, the Netherlands, and Sweden. To understand the effect of mortality dependence on longevity derivatives, we also built a valuation framework for pricing a survivor index swap, then investigated the fair swap rates of a survivor swap numerically. We demonstrate that failing to consider the dynamic copula mortality model and non-Gaussian innovations would lead to serious underestimations of the swap rates and loss reserves.</subfield>
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      <subfield code="a">Mortalidad</subfield>
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      <subfield code="a">Modelo Gaussiano</subfield>
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      <subfield code="a">Modelización mediante cópulas</subfield>
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      <subfield code="a">Longevidad</subfield>
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      <subfield code="a">Yang, Sharon S.</subfield>
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      <subfield code="a">Huang, Hong-Chih</subfield>
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      <subfield code="t">Insurance : mathematics and economics</subfield>
      <subfield code="d">Oxford : Elsevier, 1990-</subfield>
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      <subfield code="g">27/08/2015 Volumen 63 - julio 2015 , p. 30-39</subfield>
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