golden rule of libertarian paternalism: offer nudges that are most likely to help and least likely to inflict harm.fn11 A slightly longer answer is that people are most likely to need nudges when decisions require scarce attention, when decisions are difficult, when people do not get prompt feedback, and when they have trouble translating aspects of the situation into terms that they can easily understand. When people are in situations that are unfamiliar or rare, they might well need a nudge.
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