Economics
Hyperbolic Discounting and Procrastination in Saving
Quick fact
People may value $10 today as much as $20 in a year, but when the choice is between $10 in a year and $20 in two years, they often choose the larger future reward—showing how our preferences flip over time.
Why this is interesting
Ever promised yourself you'll save more next month, only to spend now? Why do our future selves always get the short end of the stick?
Read the full explanation
Understanding Hyperbolic Discounting and Procrastination in Saving
Imagine you're offered a choice: receive $50 today or $60 in a month. Even though waiting gets you more, the immediate $50 often feels irresistible. This is due to hyperbolic discounting. We mentally shrink future rewards at a rate that decreases as the delay grows. So the value of a reward drops sharply for short delays, then flattens out. This means a reward tomorrow is valued much less than the same reward today, but a reward in 100 days is valued almost the same as one in 101 days. As a result, we make impulsive choices for the near future, but when planning far ahead, we prefer larger, later rewards. This leads to procrastination: we delay starting to save because the immediate pleasure of spending outweighs the distant benefit of a nest egg.
A deeper explanation
Hyperbolic discounting arises from a psychological tendency to overweight immediate outcomes, a form of present bias. This contrasts with exponential discounting, where the rate of discount is constant over time, yielding consistent preferences. With hyperbolic discounting, preferences are time-inconsistent: what we prefer when the future arrives differs from what we preferred earlier. For saving, this means we plan to save for retirement (valuing it highly in the distant future), but when each paycheck arrives, spending now feels more urgent than adding to that far-off fund. This explains why many people fail to save despite knowing they should. The struggle is not due to lack of knowledge, but to the way our brains devalue future rewards. This insight leads to practical remedies: commitment devices like automatic enrollment in savings plans or locked retirement accounts, which remove the temptation to spend now. By making saving automatic, we bypass the hyperbolic discounting trap and align our actions with our long-term intentions.