With a series of public goods games in a 2x2-design, we analyze two channels that might moderate social dilemmas and increase cooperation without using pecuniary incentives: moral framing and shaming. Cooperation increases when non-contributing to a public good is framed as morally debatable and...

In this paper, a tax game with audit costs as a public bad is designed to investigate the impact of public disclosure on tax evasion experimentally. Three different types of tax privacy are tested, ranging from complete privacy to full disclosure. We expect to observe two different effects:...