Hedonic Adaptation: Why the Thrill Fades

Think about the last thing you were very excited to buy - a phone, a pair of shoes, a new game. The thrill was probably strong at first and then faded within weeks. This everyday experience has a name: hedonic adaptation, the tendency for the emotional impact of a change in our lives to weaken over time as we get used to it. It is one of the most important ideas in the economics of wellbeing, because it helps explain why higher incomes and more possessions often bring smaller lasting gains than people expect.

The hedonic treadmill

In the 1970s, psychologists Philip Brickman and Donald Campbell described a hedonic treadmill. Like someone walking on a treadmill, people keep working to improve their circumstances, yet their happiness tends to drift back toward where it started. Some researchers describe this starting point as a personal set point - a baseline level of wellbeing shaped partly by personality and genetics that people tend to return to after events push them up or down.

Adaptation happens partly through rising aspirations. When your income or living standard goes up, your sense of what is normal and what you need goes up with it. The larger apartment becomes simply “home”, and you begin to notice the even larger ones.

Adaptation is not complete for everything

Early studies suggested people adapt to almost anything, but later research using large surveys that followed the same people for many years painted a more careful picture. People adapt quickly and quite fully to many material gains, such as a bigger house or a new car. Adaptation to some other changes is slower or incomplete.

Studies following people over time suggest that unemployment, long commutes, chronic pain, and constant noise continue to lower wellbeing for years, as later lessons in this module explain. Wellbeing after divorce or the death of a partner often recovers substantially but not always fully. On the positive side, people do not seem to fully adapt to strong friendships and good relationships, which keep contributing to happiness.

Research on disability also shows why simple stories can mislead. Many disabled people report life satisfaction similar to non-disabled people, especially when they have good support, accessible environments and fair opportunities. Where wellbeing stays lower, barriers such as lost income, discrimination and inaccessible services often play a large part, which suggests that policy, not only personal adaptation, shapes the outcome.

What adaptation means for choices

Adaptation suggests some practical lessons. Spending on things people adapt to quickly, like larger possessions, may bring less lasting happiness than spending on things they adapt to slowly, like time with others or reducing a stressful commute. Adding variety and novelty, or pausing to appreciate what you have, can slow adaptation to good things. And for policymakers, it suggests paying special attention to problems people do not easily adapt to, such as unemployment and chronic health conditions.