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D I S C U S S I O N P A P E R S E R I E SIZA Discussion Papers often represent preliminary work and are circulated to encourage discussion. Citation of such a paper should account for its provisional character. A revised version may be available directly from the author.IZA Discussion Paper No. 5020 June 2010
ABSTRACT Performance Appraisals and the Impact of Forced Distribution: An Experimental InvestigationA real effort experiment is investigated in which supervisors have to rate the performance of individual workers who in turn receive a bonus payment based on these ratings. We compare a baseline treatment in which supervisors were not restricted in their rating behavior to a forced distribution system in which they had to assign differentiated grades. We find that productivity was significantly higher under a forced distribution by about 8%. But also in the absence of forced distribution, deliberate differentiation positively affected output in subsequent work periods.JEL Classification: C91, D83, J33, M52