Richard H. Thaler

Richard H. Thaler is identified as an economist whose collaboration with Shlomo Benartzi offers a practical example of how institutional design can help people act on long-term financial goals. Their retirement-plan intervention shows how changing the default and the timing of a choice can raise saving without imposing a top-down requirement.

The problem of saving

The book frames retirement saving as a gap between intentions and action. People may say they will save in the future while continuing to spend in the present; when that future arrives, they can find themselves still spending. The result is not merely individual inconsistency: if many people fail to save enough to live comfortably in retirement, a pattern of personal short-term choices becomes a collective problem.

The proposed response is not a sweeping mandate. The evidence instead suggests that people want to save and need only a modest change in the choice environment to make saving easier and spending harder. Thaler’s work is presented within this behavioral account, where small adjustments to the way decisions are framed can matter more than exhortations to exercise greater willpower.

The retirement-plan intervention

Thaler and Benartzi set up a retirement plan at a company that let workers choose different savings rates for current income and for income they would receive in the future. Workers were much more willing to commit a larger share of future income than present income. Within a short time, their average savings rate had doubled.

The plan’s design used a temporal distinction to make saving more compatible with participants’ preferences: workers could agree to save more from income that had not yet arrived, rather than immediately surrendering more of their current pay. The increase was therefore achieved by structuring a choice, not by compelling workers to accept a fixed contribution.

Defaults and collective outcomes

The intervention illustrates the power of inertia. When people must take action to opt into a retirement plan, some never do; when enrollment is automatic and opting out requires action, people are significantly more likely to remain enrolled and save. The broader point is that the arrangement of options can shape behavior while preserving individual choice.

The book links Thaler and Benartzi’s example to a wider argument about collective intelligence and institutional design. Instead of assuming that people will reliably follow through on intentions, the plan creates conditions in which their preferences can produce more beneficial outcomes. New structures can make collective behavior more rational without relying on top-down requirements, though the account leaves open a further challenge for behavioral economics: distinguishing which individual irrationalities matter enough to warrant such changes.