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Foreign-currency interest-rate swaps in asset–liability management for insurers

Jonas Alm (Institutionen för matematiska vetenskaper, matematisk statistik) ; Filip Lindskog
European Actuarial Journal (2190-9733). Vol. 3 (2013), 1, p. 133-158.
[Artikel, refereegranskad vetenskaplig]

We consider an insurer with purely domestic business whose liabilities towards its policy holders have long durations. The relative shortage of domestic government bonds with long maturities makes the insurer’s net asset value sensitive to fluctuations in the zero rates used for liability valuation. Therefore, in order to increase the duration of the insurer’s assets, it is common practice for insurers to take a position as the fixed-rate receiver in an interest-rate swap. We assume that this is not possible in the domestic currency but in a foreign currency supporting a larger market of interest-rate swaps. Monthly data over 16 years are used as the basis for investigating the risks to the future net asset value of the insurer from using foreign-currency interest-rate swaps as a proxy for domestic ones in asset–liability management. We find that although a suitable position in swaps may reduce the standard deviation of the future net asset value it may significantly increase the exposure to tail risk that has a substantial effect on the estimation of the solvency capital requirements.

Nyckelord: Interest-rate swaps, Asset–liability management, Solvency capital requirements, Extreme-value statistics, Extreme scenarios



Denna post skapades 2013-11-12. Senast ändrad 2014-12-09.
CPL Pubid: 186443

 

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Institutioner (Chalmers)

Institutionen för matematiska vetenskaper, matematisk statistik (2005-2016)

Ämnesområden

Matematisk statistik

Chalmers infrastruktur

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Insurance: solvency and valuation