What is the 'sunk cost fallacy'? Is it ever a good thing?

Have you ever encountered a subpar hotel breakfast while on holiday? You don't really like the food choices on offer, but since you already paid for the meal as part of your booking, you force yourself to eat something anyway ...

Online menus could prompt people to make healthier choices

New research has found even modest interventions, such as encouraging consumers to reflect on their choices before they submit their order, could reduce the emissions associated with the production of their food by more than ...

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