Aviva 2009 Annual Report Download - page 313

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M19 – Sensitivity analysis
(a) Economic assumptions
The following tables show the sensitivity of the embedded value and the value of new business to:
— 10 basis point increase in the adjustment to risk free rates for immediate annuity type contracts and all US contracts;
— one and two percentage point increase and decrease in the risk-free rate, including all consequential changes (including
assumed investment returns for all asset classes, market values of fixed interest assets, risk discount rates);
— 10% increase and decrease in market values of equity and property assets;
— 25% increase in equity and swaption volatilities;
— 50 basis point increase and decrease in credit spreads; and
— decrease in the level of required capital to 100% EU minimum (or equivalent).
In each sensitivity calculation, all other assumptions remain unchanged except where they are directly affected by the revised
economic conditions. For example, future bonus rates are automatically adjusted to reflect sensitivity changes to future investment
returns. Some of the sensitivity scenarios may have consequential effects on valuation bases, where the basis for certain blocks of
business is actively updated to reflect current economic circumstances. Consequential valuation impacts on the sensitivities are
allowed for where an active valuation basis is used. Where businesses have a target asset mix, the portfolio is re-balanced after a
significant market movement otherwise no re-balancing is assumed.
For new business, the sensitivities reflect the impact of a change immediately after inception of the policy.
In general, the magnitude of the sensitivities will reflect the size of the embedded values, though this will vary as the
sensitivities have different impacts on the different components of the embedded value. In addition, other factors can have a
material impact, such as the nature of the options and guarantees, as well as the types of investments held.
The credit spread sensitivities assume that the change relates to credit risk and not liquidity risk; in practice, credit spread
movements may be partially offset due to changes in liquidity risk.
Sensitivities will also vary according to the current economic assumptions, mainly due to the impact of changes to both the
intrinsic cost and time value of options and guarantees. Options and guarantees are the main reason for the asymmetry of the
sensitivities where the guarantee impacts to different extents under the different scenarios. This can be seen in the sensitivity of
a 1%–2% movement in the interest rate for Delta Lloyd and US, where there is a significant amount of business with investment
return guarantees.
Embedded value
Interest rates
10bp
increase in
adjustment
2009 As reported to risk-free 1% 2% 2%
Embedded value on page 304 rates 1% increase decrease increase decrease
(net of tax and minority interest) £m £m £m £m £m £m
United Kingdom 5,903 120 (155) 85 (350) 255
France 2,773 5 (170) 100 (380) 60
Ireland 888 — (30) 35 (60) 55
Italy 660 — 20 (25) 25 (80)
Poland 1,141 — (50) 60 (100) 135
Spain 612 5 (10) 10 (25) 20
Other Europe 259 — (5) 10 (15) 15
Aviva Europe 6,333 10 (245) 190 (555) 205
Delta Lloyd 1,531 50 250 (460) 380 (1,210)
Europe 7,864 60 5 (270) (175) (1,005)
North America 694 110 235 (225) (5) (1,275)
Asia 540 — 15 (30)
15 (120)
Australia — — — — — —
Asia Pacific 540 — 15 (30) 15 (120)
Total 15,001 290 100 (440) (515) (2,145)
Financial statements MCEV