This paper experimentally studies two simple interventions aimed at increasing public goods provision in settings in which accurate feedback about contributions is not available. The first intervention aims to exploit lying aversion by requiring subjects to send a non-verifiable ex post...

This paper discusses the behavioural e ffects of cognitive dissonance in conjunction with cooperative social norms and highlights their relevance for the interpretation of (non)cooperative behaviour in economic lab experiments. In particular, it is argued that, if subjects are used to...

In order to help understand adherence to moral standards and the force of intrinsic motivation, we present an infinite-horizon model where an individual receives random temptations (such as bribe offers) and must decide which to resist. Temptations yield consumption value, but keeping a good...