Knowledge Object KO-002 · Decision Making
Sunk Cost Fallacy
If you hadn't already invested so much, would you still choose this today?
The money is gone. The years are gone.
The only thing still open is what happens next.
Feel
Listen before you analyze.
The song doesn't dismiss what was invested. It insists the investment was real — and that being real doesn't make it a reason to keep paying.
Sunk Cost Fallacy
SKAILOP · Audio coming soon
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Listen to the song
See
You don't have to make the past worth it by sacrificing more of your future.
Past value and future value are two different questions.
The idea
Sunk cost effect
The sunk cost effect is the tendency to continue an endeavour because of resources already invested — time, money, effort, identity — rather than because of the expected costs and benefits still ahead.
Economically, past costs are irrecoverable and should be irrelevant to a forward-looking decision. Psychologically, they are anything but: they carry meaning, self-image, and the pain of admitting a loss.
The discomfort is real. What the effect does is convert that discomfort into a reason to keep paying — a reason that looks like commitment from the inside.
But not everything from the past is a sunk cost. Some of it is information — what you have learned, what has actually changed, what keeps repeating — and that information can legitimately shape what you choose next.
The question is not how much you have already given. It is which part of the past still changes what happens from here.
How the loop works
- 01Investment
- 02Identity attaches to the investment
- 03Stopping would mean the cost was wasted
- 04Continue to avoid that meaning
- 05Investment grows
Keep going
Continue exploring
Commitment & Grit
When continuing is exactly right — and how to tell the difference.
Coming soon