Alejandro Hortal-Sánchez

A classic example of a nudge is making the healthy choices easier to grab in a cafeteria. Maskot via Getty Images

Irrational decision or helpful evolutionary adaptation? A philosopher on the rationality wars behind ‘nudge’ policy

People use cognitive shortcuts to make choices that sometimes have outcomes that don’t serve their own interests or preferences. But to call these choices irrational might be missing the big picture.

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