Retirement models create false assumptions

12 June 2014
| By Jason |
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Retirement modelling based on historical returns and rules of thumb are creating a false impression about adequate savings levels and need to be readdressed according to a retirement researcher. 

Morningstar Head of Retirement Research David Blanchett said that modelling of investment returns for the next 20 years indicated that future returns would be lower and would not produce the expected outcomes currently required by standard retirement planning models. 

“We looked at historical returns and possible future returns from a portfolio of cash, bonds and equities and found that average world-wide returns would be about 3.5 per cent lower than they have been to date,” Blanchett said. 

“If returns are set to drop off for the long term then retirement incomes come under threat. The long term averages used in retirement modelling should raise red flags about the assumptions underneath them.” 

He stated that using the four per cent rule or the 25 times final year’s earnings rule to model retirement savings was inadequate and ignored risks over time. 

Blanchett said the common assumption that retirement modelling should be based on some form of income for life plus inflation ignored the fact that retiree spending dropped off later in life and historical estimates of safe withdrawal rates no longer realistic forward-looking estimates. 

“Retirement is the biggest purchase in life so it makes sense to figure out the real cost. This is a growing issue at the advice level since income modelling shapes accumulation savings.” 

“I am not advocating that people stop saving or even save less but rather they save in better ways for retirement to avoid the risks of running out of money while still alive or running out of time to spend what they have saved which could have been used earlier in life.”

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