The sunk cost fallacy has also been called the " Concorde fallacy": the British and French governments took their past expenses on the costly supersonic jet as a rationale for continuing the project, as …

Dec 23, 2025 · The sunk cost fallacy is a cognitive bias that makes you feel as if you should continue pouring money, time, or effort into a situation since you’ve already "sunk" so much into it already.

The sunk cost fallacy describes our tendency to continue to pursue an endeavor that we have already committed to in terms of investing money, time, or effort, even if those costs are not recoverable.

The sunk cost fallacy is the tendency to persist in an endeavor once an investment in money, time, or effort has been made, regardless of future costs. This fallacy often leads to poor decision-making, as …

Feb 27, 2025 · Focusing on future outcomes, setting clear limits, and seeking an outside perspective are methods for avoiding the sunk cost fallacy. Sunk costs apply to personal and business settings....

Apr 7, 2023 · What is the sunk cost fallacy? The sunk cost fallacy occurs when we feel that we have invested too much to quit. This psychological trap causes us to stick with a plan even if it no longer …

Jun 20, 2025 · The sunk cost fallacy occurs when we use money, time, or effort we've already spent (and can't recover) as justification to keep investing in something that's clearly not working.