Sunk cost fallacy

Letting past investment (of time, energy, money, or any other resource) interfere with decision-making in the present in deleterious ways.

Blog posts

• Sunk Cost Fallacy by Zack M. Davis
• Sunk Costs Fallacy Fallacy by nyan_sandwich
• Is Sunk Cost Fallacy a Fallacy? by gwern

External Links

• Are sunk costs fallacies?
• Sunk Cost Rationality Kata by MIRI

See also

• Status quo bias
• Loss aversion, Prospect theory
• Cached thought
• Narrative fallacy