Know when to close a painful mental account

We keep losing accounts "open" to avoid booking the loss — and pay more to keep them open.

Why it works

Mental accounting interacts with loss aversion: closing an account at a loss forces you to register the pain, so people keep losing accounts open — holding a depreciating asset, finishing a meal they’re too full to enjoy — to defer that final entry. Recognizing that the account is already lost lets you close it and stop the ongoing cost of keeping it open.

How to do it

1. Spot accounts you are keeping open mainly to avoid "booking" a loss.
2. Acknowledge the loss is already real whether or not you close the account today.
3. Close it deliberately to stop paying the maintenance cost of avoidance.

Evidence

The reluctance to close accounts at a loss is documented in the disposition effect — investors hold losers too long and sell winners too soon — and connects mental accounting with loss aversion. (observational)

Drawn largely from investor-behavior data; the underlying account-closing reluctance shows up in everyday choices too, but is less formally measured there.

Sources

• Shefrin & Statman (1985), "The Disposition to Sell Winners Too Early and Ride Losers Too Long", J. Finance

Common mistake

Pouring more time, money, or effort into a clearly failed account just to postpone the moment you have to admit the loss — which only enlarges it.