Boosts vs. Nudges from a Welfarist Perspective

Till Grüne-Yanoff

Revue d'économie politique, 2018, vol. 128, issue 2, 209-224

Abstract: This paper compares two kinds of behavioral policies, boost and nudges, with respect to the normative questions they need to answer. Both policies are committed to welfarism ? i.e. to respecting individuals? subjective reflected attitudes as the basis of judgment about what is good for them. However, because the two policy types affect behavior change in different ways, different normative requirements arise from this commitment. Nudges affect the choice context so as to change behavior, making use of behavioral evidence for stable relations between contextual features and behavioral outcomes. This intervention works irrespective of the nudged individual?s understanding, evaluation or participation. Consequently, it is the nudge proponent who must argue that in the planned intervention, the nudge corrects a mistake and leads to a better outcome that is not compromised by the nudging procedure. Boosts, in contrast, affect behavior by training people in the use of decision tools. This intervention works only with the boosted individual?s understanding, approval and active participation. Consequently, the boost proponent does not need to answer the difficult normative questions of mistake, welfare improvement or procedural compromise. Although it might be that nudge proponents can answer these questions for many situations, they constitute a normative burden for nudges that boosts can avoid. In this regard, boosts are therefore preferable to nudges.

Keywords: behavioral policy; nudge; boost; welfare; normativity (search for similar items in EconPapers)
Date: 2018
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