We present a field experiment to assess the effect of own and peer wage variations on actual work effort of employees … additional real-effort laboratory experiment we show that explicit cost and surplus information that enables to exactly calculate … that employee's reciprocity requires a clear assessment of the surplus at stake. …

We present a field experiment to assess the effect of own and peer wage variations on actual work effort of employees … additional real-effort laboratory experiment we show that explicit cost and surplus information that enables to exactly calculate … employee's reciprocity requires a clear assessment of the surplus at stake. …

. We conjecture that inequality aversion motivations may thwart positive reciprocity motivations and analyze the …

We present results from a field experiment testing the gift-exchange hypothesis inside a tree-planting firm paying its …. Moreover, reciprocity is the strongest when the relationship between planters and the firm is longterm. …