Investing & Wealth
Why Your Brain Treats Next Year Like a Foreign Country
The same person who won't spend a small fortune on a holiday today will cheerfully promise their future self an identical sacrifice starting January.
The Idea
There is a gap between the investor you intend to be and the one you actually are, and it is not a character flaw — it is a quirk of how the brain prices time. Behavioural economists call it hyperbolic discounting: we don't devalue the future at a steady, rational rate. Instead, we apply a steep discount to anything just around the corner, then a much gentler one to things further away. The result is a curve that bends sharply, not a straight line sloping downward. What this means in practice: the difference between 'now' and 'one year from now' feels enormous. The difference between 'ten years from now' and 'eleven years from now' feels like almost nothing. Both gaps are twelve months. Your brain does not treat them that way. This is why so many people consistently choose to start saving 'next month' — and then, when next month arrives, defer again. Each deferral feels like a small, reasonable trade. Compounded over a decade, it is the difference between retiring with genuine options and retiring with regret. Long-term thinking, then, is not just a strategy — it is a correction for a genuine cognitive bias. The investors who do well over time are not necessarily smarter or more disciplined by nature; they have often just set up their lives so that the bias works for them rather than against them.
In the World
Richard Thaler, the behavioural economist who eventually won a Nobel Prize for this kind of work, collaborated with Shlomo Benartzi in the early 2000s on a programme called Save More Tomorrow — SMarT for short. The idea was disarmingly simple. Rather than asking employees to save more now (a request that triggers the sharp near-term discount), they asked people to commit to directing a portion of future pay rises toward their pension. The sacrifice was real but postponed, which made it psychologically painless. When the programme was piloted at a mid-sized manufacturing firm in the American Midwest, the results were striking. Employees who enrolled started at a savings rate of around 3.5 percent. After four pay raises, without ever being asked to do anything once they had signed up, they were saving over 13 percent. They had navigated their own bias by moving the commitment into the future, where the brain's discounting curve is relatively flat. The insight was not that people needed more willpower. It was that the architecture of the decision — when it was made, and when it would take effect — mattered more than the intention behind it. Thaler and Benartzi's paper on SMarT became one of the most cited in behavioural finance, and versions of the programme are now embedded in pension systems across multiple countries.
Why It Matters
Knowing about hyperbolic discounting changes how you diagnose your own financial behaviour. When you notice yourself thinking 'I'll start properly investing after this one expense clears,' you can recognise that as the bias speaking, not a reasonable plan. The expense will clear and another will appear. The near-term will always feel different from the far-term. The practical implication is to stop relying on future motivation and instead ask: can I set this up so that it happens automatically, before I get a chance to rediscount it? Automation — standing orders, employer pension contributions, direct debits into an investment account on payday — is not laziness. It is the correct response to a predictable cognitive limitation. It also reframes what long-term thinking actually requires. It is less about cultivating extraordinary patience or vision, and more about building small structural commitments today that your future self won't need to actively maintain. The investors who benefit most from compounding are often those who simply made it hard to get in their own way.
A Question to Ponder
Is there a financial commitment you have been postponing until conditions feel right — and if so, what would it look like to make that commitment now for a future date instead?
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