Rethinking Nudge: Not One But Three Concepts

Behavioural Public Policy 2:107-124 (2018)
  Copy   BIBTEX

Abstract

Nudge is a concept of policy intervention that originates in Thaler and Sunstein's (2008) popular eponymous book. Following their own hints, we distinguish three properties of nudge interventions: they redirect individual choices by only slightly altering choice conditions (here nudge 1), they use rationality failures instrumentally (here nudge 2), and they alleviate the unfavourable effects of these failures (here nudge 3). We explore each property in semantic detail and show that no entailment relation holds between them. This calls into question the theoretical unity of nudge, as intended by Thaler and Sunstein and most followers. We eventually recommend pursuing each property separately, both in policy research and at the foundational level. We particularly emphasize the need of reconsidering the respective roles of decision theory and behavioural economics to delineate nudge 2 correctly. The paper differs from most of the literature in focusing on the definitional rather than the normative problems of nudge.

Author Profiles

Mikael Cozic
Jean Moulin Lyon 3 University
Philippe Mongin
Last affiliation: Centre National de la Recherche Scientifique

Analytics

Added to PP
2018-08-02

Downloads
1,210 (#8,162)

6 months
171 (#12,971)

Historical graph of downloads since first upload
This graph includes both downloads from PhilArchive and clicks on external links on PhilPapers.
How can I increase my downloads?