Spillovers of prosocial motivation are crucial for the formation of social capital. They facilitate interactions among individuals and create social multipliers that amplify the effects of policy interventions. We conducted a large-scale intervention study among dyads of blood donors to...

A key open question for theories of reference-dependent references is what determines the reference point. One candidate is expectations: what people expect could affect how they feel about what actually occurs. In a real-effort experiment, we manipulate the rational expectations of subjects and...

We use a unique panel data set to analyse price setting in restaurants in Switzerland 1977-93, for items known to have sticky prices. The macroeconomic environment during this time period allows us to examine how firms adjust prices at low (0%) and fairly high (7%) inflation. Our results...