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...

The aim of this paper is to provide a survey of the main issues and of the most important trends in economic methodology. It is organized around the generalized Mill?s problem : does economics obey the methodological standards of empirical science ? The study is divided in two parts. The first...