[文献] (Cambridge Paper) A Natural Hedge for Equity Indexed Annuities [推广有奖]

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发表于 2018-11-6 04:12:14 |AI写论文

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A Natural Hedge for Equity Indexed Annuities
Carole Bernard and Phelim P. Boyle

https://doi.org/10.1017/S1748499511000066

Published online: 08 June 2011
Abstract

Equity linked products are popular in many countries. These contracts generally provide a guaranteed return combined with some participation in the market performance, often computed using a complicated formula. Hedging these contracts often presents a real challenge for insurers in particular during a financial crisis. In this paper, we explain how insurers can benefit from selling a pool of different contracts with different sensitivities to certain key variables to reduce risk exposure. We show how they can diversify their menu of policy designs to stabilize the market value of their liabilities against changes in the market volatility and against estimation error in the volatility parameter. We illustrate the methodology with specific examples of equity annuity contracts with opposite sensitivities to vega risk.