This essay is an introduction to a forthcoming special issue of the Journal of Consumer Policy, on Behavioural Economics, Environmental Policy and the Consumer. It emphasizes that consumer behavior can be greatly affected by the context, which may make it easy or difficult for people to make...

Nudge is a semantically multifarious concept that originates in Thaler and Sunstein's (2008) popular eponymous book. In one of its senses, it is a policy for redirecting an agent's choices by only slightly altering his choice conditions, in another sense, it is concerned with bounded rationality...