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Billy

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Mortality Drag - what is it?
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I had someone ask me what Mortality drag is so I thought it helpful to explain



-- Edited by William Burrows on Monday 28th of October 2019 08:13:50 AM

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Billy

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Mortality drag – the invisible force

When drawdown was first introduced, a well-known actuary pointed out that comparing annuities with drawdown was not comparing like with like because annuities benefit from mortality cross subsidy whereas with drawdown there is no cross subsidy.

Mortality cross subsidy

Actuaries calculate annuity rates assuming people will live until their normal life expectancy. However, some policyholders will die before they are expected to and some will live longer than expected.

Insurance companies make a profit from those dying early and a loss from those living longer. They use the savings from the early deaths to subsidise the income paid to those who live longer than expected.

This means that those who die before their normal life expectancy subsidise those who live longer than expected. This is called Mortality cross subsidy.

If an annuity purchase is deferred, the annuity payable at a future date will be higher because the policyholder will be older. However, an invisible force called mortality drag slows down this rate of increase.

Mortality drag is the negative effect of missing out on mortality cross subsidy if an annuity is deferred from one year to another. It is expressed as the additional investment return needed year by year in order to maintain the annuity purchasing power assuming the underlying annuity rate remains constant.

 

This is hard to explain and i will post an example with some numbers as they will explain better



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Billy

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I have just add a web page that explains more about mortality cross-subsidy and mortality drag - www.williamburrows.co.uk/retirement-options/mortality-drag

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