Money norms present a fundamental contradiction. Norms embody the social sphere, a system of internalized values, unwritten rules, and shared expectations that informally govern human behavior. Money, on the other hand, evokes the economic sphere of markets, prices, and incentives. Existing...

Recent studies find ample evidence that monetary and immaterial gifts influence effort in the workplace. We investigate the impacts of monetary gift exchange and of expressions of respect on salespersons' reciprocity when purchasing doner durum, a common lunch snack. Prior to the food’s...