In addition to his role as a consumer pursuing his own interests, an individual may also regard himself as an ethical observer or citizen, judging matters from society's point of view. However, an individual's personal preferences do not necessarily coincide with his social preferences. This...

Social norms affect environmental quality. But what exactly is a social norm? Environmental economists studying the topic draw on diverse scholarly traditions and may not have the same phenomenon in mind when using the concept. For example, social norms may refer to common, but not necessarily...