Removing your own options is sometimes the strongest move available

Why anyone would want fewer options

Standard reasoning about choice says that more options can never hurt, since you can always ignore the ones you do not want. That holds for a decision-maker whose preferences are stable over time. It stops holding the moment your preferences at the point of action differ from your preferences when you thought about it — which is the ordinary human case rather than an exotic one.

Pre-commitment exploits that gap. You act now, while the preference you endorse is the one in charge, to remove or raise the price of an option that a later version of you will want. The classical image is a sailor tied to a mast, and the modern versions are duller: a transfer that leaves the account on payday, a phone left in another room, a deadline announced to people who will ask about it.

The mechanisms, in order of strength

The strongest form makes the unwanted option impossible. Money moved to an account you cannot access without a delay isn’t a temptation you resist, it is a temptation that does not arise. This works because it does not rely on anything happening in your head at the relevant moment.

The middle form adds cost or delay rather than impossibility, which preserves an escape route for the cases you did not anticipate. A waiting period before a large purchase doesn’t forbid the purchase; it removes the version of it that depended on the mood of a particular afternoon.

The weakest form is a promise made to yourself, which has no enforcement and tends to work only as well as the underlying motivation — which is to say, well on the days you don’t need it. This is why announcing a commitment to other people is usually more effective than making one privately: it borrows an external cost.

What the evidence supports and where it thins out

That people voluntarily accept binding constraints, and that they do so more when they expect to face temptation, is well documented in field studies of savings products and deadline choice. Studies where participants can choose evenly spaced deadlines or leave everything to the end have found that many impose deadlines on themselves and that doing so tends to improve completion, though at some cost when the self-imposed schedule turns out to be wrong.

What is much less established is how large these effects are in general, how long they persist, and for whom. Much of the literature involves specific products, populations and time frames, and the underlying explanations — including the older idea that self-control draws on a depletable resource — have been through serious challenge, with the depletion account in particular failing large multi-laboratory replication attempts. Pre-commitment does not depend on that theory being correct, which is fortunate.

The design questions that decide whether it works

Three things determine whether a commitment device does anything. First, does it bind at the moment of the decision rather than earlier or later — a restriction that can be undone in the same minute it becomes inconvenient is decoration. Second, is the cost of breaking it real and immediate, or theoretical and distant. Third, does it target the specific behaviour rather than a general intention, because a constraint on a vague category is unenforceable even by the person who wrote it.

A fourth consideration is rarely discussed and matters most: what happens if circumstances change. A commitment is a bet that your current judgement is better than your future judgement, and that bet is wrong whenever the future brings information you did not have. The good versions have an exit that is expensive rather than impossible.

Where it does real harm

Binding yourself is unwise when the thing you are protecting against is not weakness but new information. People lock in career paths, financial positions and public positions in ways that make revision costly, then discover that the cost of changing their mind has become the reason for not changing it. That is pre-commitment working exactly as designed and producing a worse outcome.

It also fails badly when the constraint is set by somebody optimistic. A schedule that assumes nothing goes wrong, made binding, converts an ordinary setback into a broken commitment, and the breakage often takes the whole effort with it. Constraints should be set from the outside view of how such things usually go, not from the plan.

A modest version that survives contact

The useful pattern is narrow, enforceable and forgiving in the right places: automate the thing you would otherwise have to decide repeatedly, make the tempting option require an extra deliberate step, and reserve hard constraints for the small number of decisions where you have clear evidence about your own behaviour.

And keep the record. A commitment device that you have never tested is a theory about yourself. Whether it works — whether the delay actually stops the purchase, whether the announced deadline actually gets met — is an empirical question about one person, answerable only by watching what happens over a few months.