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Contribution Details

Type Working Paper
Scope Discipline-based scholarship
Title Contracts as Reference Points Experimental Evidence
Organization Unit
Authors
  • Ernst Fehr
  • Oliver Hart
  • Christian Zehnder
Language
  • English
Institution University of Zurich
Series Name Working paper series / Institute for Empirical Research in Economics
Number No. 393
ISSN 1424-0459
Date 2008
Abstract Text In a recent paper, Hart and Moore (2008) introduce new behavioral assumptions that can explain long term contracts and important aspects of the employment relation. However, sonfar there exists no direct evidence that supports these assumptions and, in particular, Hart and Moore’s notion that contracts provide reference points. In this paper, we examine experimentally the behavioral forces stipulated in their theory. The evidence confirms the model’s prediction that there is a tradeoff between rigidity and flexibility in a tradingnenvironment with incomplete contracts and ex ante uncertainty about the state of nature. Flexible contracts – which would dominate rigid contracts under standard assumptions – cause a significant amount of shading on ex post performance while under rigid contracts much less shading occurs. Thus, although rigid contracts rule out trading in some states of thenworld, parties frequently implement them. While our results are broadly consistent with established behavioral concepts, they cannot easily be explained by existing theories. The experiment appears to reveal a new behavioral force: ex ante competition legitimizes the terms of a contract, and aggrievement and shading occur mainly about outcomes within thencontract.
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