Richard Thaler

Mayor Bloomberg and the Granny State, or: When is a Soda Ban Not a Ban?

Yes, that’s right: granny state, not — as conservatives are wont to call it — the nanny state. Dan’s thoughtful post the other day suggested but did not spell out an important theoretical implication of New York City’s prohibition on large servings of sugared soft drinks: it represents an almost-classic form of the “nudge,” the …