The standard economic choice model assumes that the decision maker chooses from <i>sets</i> of alternatives. In contrast, we analyze a choice model in which the decision maker encounters the alternatives in the form of a <i>list</i>. We present two axioms similar in nature to the classical axioms of choice...

In economic theory, an agent chooses from available alternatives-modeled as a set. In decisions in the field or in the lab, however, agents do not have access to the set of alternatives at once. Instead, alternatives are represented by the outside world in a structured way. Online search results...

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...