On the possibility of an anti-paternalist behavioural welfare economics

Behavioural economics has taught us that human agents don't always display consistent, context-independent and stable preferences in their choice behaviour. Can we nevertheless do welfare economics in a way that lives up to the anti-paternalist ideal most economists subscribe to? I here discuss Sugden's powerful critique of most previous attempts at doing so, which he dubs the 'New Consensus', as appealing to problematic notions of latent preference and inner rational agency. I elaborate on a fundamental rethinking of the normative foundations of anti-paternalist welfare measurement that often remains implicit in the behavioural welfare economics literature Sugden discusses, but which is required to make these accounts minimally plausible. I argue that, if we go along with this rethinking, Bernheim and Rangel's [(2007). Toward choice-theoretic foundations for behavioural welfare economics. American Economic Review, Papers and Proceedings, 97, 464–470. https://doi.org/10.1257/aer.97.2.464; (2009). Beyond revealed preference: Choice-theoretic foundations for behavioural welfare economics. Quarterly Journal of Economics, 124(1), 51–104. https://doi.org/10.1162/qjec.2009.124.1.51] choice-theoretic framework withstands Sugden's criticism. Sugden's own, more radical proposal is thus under-motivated by his critique of the 'New Consensus'.