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 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. …