Social norms permeate society across a wide range of issues and are important to understanding how societies function. In this paper we concentrate on 'bad' social norms - those that are inefficient or even damaging to a group. This paper explains how bad social norms evolve and persist; our...

While social norms have received great attention within economics, little is known about the role of personal norms. We propose a simple utility framework - which assumes that people care about monetary payoff, social norms, and personal norms - and design a novel two-part experiment to...