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Akimbo · January 16, 2019 · 20m

Ignore Sunk Costs

Godin explains why sunk costs — money, time, or effort already spent — should be irrelevant to future decisions but dominate our thinking. The inability to ignore sunk costs keeps people in bad jobs, bad relationships, and bad investments.

Highlights

The sunk cost fallacy keeps people trapped in situations they would never choose to enter today
Godin: ask yourself — if I had not already invested X years/dollars/effort, would I choose this path today? If the answer is no, the sunk cost is keeping you trapped, not informing your decision.
Organizations are even worse at ignoring sunk costs than individuals — because admitting the sunk cost means someone gets blamed
Godin: individuals struggle with sunk costs, but organizations are worse because canceling a project means admitting someone made a mistake. Career incentives prevent people from killing bad projects.