Definition of Sunk Cost Fallacy



Sunk cost fallacy is a phenomenon about the behavior of being irrational despite the obvious fact that the drawbacks of recovering a cost spent are outweighing the benefits. This bias is seen with many investors who invest in a stock with falling prices but yet do not sell the shares hoping that the share price might rise.

 


This is similar to a food lover who ordered an expensive dish that did not taste good enough, but ultimately, he had to eat it to obtain maximum value out of it even it could cause him stomach problem.


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