Abeler, Johannes () (University of Nottingham) Altmann, Steffen () (IZA) Kube, Sebastian () (Max Planck Institute for Research on Collective Goods) Wibral, Matthias () (University of Bonn)
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We study how different payment modes influence the effectiveness of gift exchange as a contract enforcement device. In particular, we analyze how horizontal fairness concerns affect performance and efficiency in an environment characterized by contractual incompleteness. In our experiment, one principal is matched with two agents. The principal pays equal wages in one treatment and can set individual wages in the other. We find that the use of equal wages elicits substantially lower efforts. This is not caused by monetary incentives per se since under both wage schemes it is profit-maximizing for agents to exert high efforts. The treatment difference instead seems to be driven by the fact that the norm of equity is violated far more frequently in the equal wage treatment. After having suffered from violations of the equity principle, agents withdraw effort. These findings hold even after controlling for the role of intentions, as we show in a third treatment. Our results suggest that adherence to the norm of equity is a necessary prerequisite for successful establishment of gift-exchange relations.
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Publisher Info
Paper provided by Institute for the Study of Labor (IZA) in its series IZA Discussion Papers with number
4262.
Length: Date of creation: Jun 2009 Date of revision: Publication status: forthcoming in: Journal of the European Economic Association Handle: RePEc:iza:izadps:dp4262
References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Ernst Fehr & Alexander Klein & Klaus M Schmidt, 2007.
"Fairness and Contract Design,"
Econometrica,
Econometric Society, vol. 75(1), pages 121-154, 01.
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Ernst Fehr & Alexander Klein & Klaus M. Schmidt, 2005.
"Fairness and Contract Design,"
Discussion Papers
67, SFB/TR 15 Governance and the Efficiency of Economic Systems, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich.
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