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Decision making · 4 minute read

Sunk Cost Fallacy

Past investment can keep us committed even when continuing no longer makes sense.

Try thisDecide using future costs and benefits—not yesterday’s investment.
Visual explanation of Sunk Cost Fallacy
01

In plain English

What is it?

Time, money, and effort already spent cannot be recovered, but they still influence the next choice.

02

In the real world

What does it look like?

A team keeps funding a weak project because it has already spent a year building it.

03

Make it useful

How do you think more clearly?

Decide using future costs and benefits—not yesterday’s investment.