This paper provides an economic rationale for overachieving behavior in non-professional activities in the labour market. The intrinsically motivated worker uses his achievement in the non-professional activity to signal his work ethic. When the worker‘s career concern is weak, he exerts no...

There are increasing complaints from the developing world that developed countries seem reluctant to transfer green technology, despite its salient benefi ts in helping to solve the climate problem. Identifying a signaling effect of technology transfer that was neglected by the previous...