Sunk costs do have a small effect—decision makers are…
““Sunk costs do have a small effect—decision makers are biased in favor of their previous investments—but three other factors are more powerful. One is anticipated regret: will I be sorry that I didn’t give this another chance? The second is project completion: if I keep investing, I can finish the project. But the single most powerful factor is ego threat: if I don’t keep investing, I’ll look and feel like a fool.””
About This Quote
This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.
Decision makers cling to past investments due to regret, desire to finish, and fear of looking foolish, but ego threat is the strongest bias.
In simple terms: People stay invested to avoid feeling foolish.
Recognize ego bias and evaluate decisions objectively.
Themes
Mood
Type
When to use this quote
- business investments
- personal projects
- career choices
Key Concepts
Questions to Reflect On
- How can I separate ego from rational evaluation?
- What evidence shows ego influences my choices?
Ego threat may be overstated compared to rational analysis.