Systematic mortality risk : An analysis of guaranteed lifetime withdrawal benefits in variable annuities

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      <subfield code="a">Systematic mortality risk</subfield>
      <subfield code="b">: An analysis of guaranteed lifetime withdrawal benefits in variable annuities</subfield>
      <subfield code="c">Man Chung Fung,  Katja Ignatieva,  Michael Sherris</subfield>
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      <subfield code="a">Guaranteed lifetime withdrawal benefits (GLWB) embedded in variable annuities have become an increasingly popular type of life annuity designed to cover systematic mortality risk while providing protection to policyholders from downside investment risk. This paper provides an extensive study of how different sets of financial and demographic parameters affect the fair guaranteed fee charged for a GLWB as well as the profit and loss distribution, using tractable equity and stochastic mortality models in a continuous time framework. We demonstrate the significance of parameter risk, model risk, as well as the systematic mortality risk component underlying the guarantee. We quantify how different levels of equity exposure chosen by the policyholder affect the exposure of the guarantee providers to systematic mortality risk. Finally, the effectiveness of a static hedge of systematic mortality risk is examined allowing for different levels of equity exposure.</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">01/09/2014 Volumen 58 Número 1 - septiembre 2014 , p. 103-115</subfield>
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