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David Knox

Five proposed changes to superannuation

The taxation of superannuation in Australia is complex, inequitable and subject to regular change. These features reduce the long-term confidence of Australians in their superannuation system. We should do better.

Annuities cost more for women: it's time for unisex rates

Lifetime annuities will become a more important tool to manage longevity, but they are the only part of our retirement income system where the benefit is determined by an individual’s sex. It's time to change.

How the Intergenerational Report misleads on super

Super tax concessions will be worth more than the cost of the pensions in future, but they represent two fundamentally different forms of government support for our retirement income system. Both have a role.

How a sidecar can keep super motoring along

Two sides of the super debate - 9.5% is enough with better use in retirement versus 12% is the minimum for a decent income - are deeply divided, but what if a radical solution could bridge the gap.

The equity of government support for retirement income

Claims about the inequity of super tax concessions and the advantages for high income earners miss a fundamental point. It's fairer with more realistic assumptions on the value of future payments.

Is it fair that the wealthier get the most super benefits?

A reader asks about the inequitable distribution of the tax advantages of super, with most taxation benefits going to those with the highest incomes. We asked David Knox of Mercer to respond.

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Retirement

Why it’s time to ditch the retirement journey

Retirement isn’t a clean financial arc. Income shocks, health costs and family pressures hit at random, exposing the limits of age-based planning and the myth of a predictable “retirement journey".

Financial planning

How much does it really cost to raise a child?

With fertility rates at a record low, many say young people aren’t having kids because they’re too expensive. Turns out, it’s not that simple and there are likely other factors at play.

Exchange traded products

Passive ETF investors may be in for a rude shock

Passive ETFs have become wildly popular just as markets, especially the US, reach extreme valuations. For long-term investors, these ETFs make sense, though if you're investing in them to chase performance, look out below.

Shares

Bank reporting season scorecard November 2025

The Big Four banks shrugged off doomsayers with their recent results, posting low loan losses, solid margins, and rising dividends. It underscores their resilience, but lofty valuations mean it’s time to be selective. 

Investment strategies

The real winners from the AI rush

AI is booming, but like the 19th-century gold rush, the real profits may go to those supplying the tools and energy, not the companies at the centre of the rush.

Economy

Why economic forecasts are rarely right (but we still need them)

Economic experts, including the RBA, get plenty of forecasts wrong, but that doesn't make such forecasts worthless. The key isn't to predict perfectly – it's to understand the range of possibilities and plan accordingly.

Strategy

13 reflections on wealth and philanthropy

Wealth keeps growing, yet few ask “how much is enough?” or what their kids truly need. After 23 years in philanthropy, I’ve seen how unexamined wealth can limit impact, and why Australia needs a stronger giving culture.

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