The Directors' Brief

The Directors' Brief

Business Concepts

Sunk Cost Fallacy – When You Keep Going Because You’ve Already Started

How to stop throwing good money, time, and effort after bad

Richard Winfield's avatar
Richard Winfield
Oct 27, 2025
∙ Paid

Have you ever kept pushing a project because you’ve already invested so much in it — even when you know it’s not working?
That’s the sunk cost fallacy in action.

What Is the Sunk Cost Fallacy?

A sunk cost is something you’ve already spent — time, money, or energy — that you can’t get back.
The fallacy happens when those past investments affect your current …

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