ConceptThe Sunk Cost Fallacy

The Sunk Cost Fallacy: what this star will be

Throwing good effort after bad to honour a loss already paid.

By Constellate · 9 September 2026 · the short form

The Sunk Cost Fallacy is a star on the Constellate sky: placed by meaning, named, and connected to the stars around it. This is the short form of its post: the line it carries, the area we colour Biases, and what stands beside it today.

The line it carries on the sky: Throwing good effort after bad to honour a loss already paid.

What stands beside it

The stars nearest to it are Amor Fati, Cognitive Dissonance, Commitment and Consistency and Disposition Effect, and Cognitive Dissonance is already open to walk. When The Sunk Cost Fallacy opens, the conversation will land it among them, with a line drawn to each idea it touches.

On the sky:

Ask for this star

Every star is lit by demand. Ask for The Sunk Cost Fallacy and it moves up the list; when it opens, this post becomes the full essay. The open stars beside it can be walked today, and the first concept of every course is free.

On the map

A filled dot marks a star that is already open to walk.

The Sunk Cost Fallacy is not yet open to walk. Ask for it on the sky; the stars beside it are open, and the first concept of every course is free.

Find it on the sky →

The concept page for The Sunk Cost Fallacy · Your first concept is free. No signup, no card.