The ‘ratchet effect’ refers to a situation where a principal uses private information that is revealed by an agent’s early actions to the agent’s later disadvantage, in a context where binding multi-period contracts are not enforceable. In a simple, context-rich environment, we...

People can become less cooperative when threatened with sanctions, and researchers have pointed to both 'intentions' and incentives as sources of this effect. This paper reports data from a novel experimental design aimed at determining the relative importance of intentions and incentives in...

We present an experimental study on the wasted resources associated with tax evasion. This waste arises from taxpayers and tax authorities investing costly effort in the concealment and detection of tax evasion. We show that these socially inefficient efforts - as well as the frequency of tax...

This paper combines ISSP survey data and experimental evidence from a gift-exchange game to determine the effect of status or relative income on work effort. We find a strong effect of others’ incomes on individual effort decisions in both datasets. The individual’s rank in the income...