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An experimental analysis of moral hazard in team

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Author Info
Costa, Francisco
Abstract

This paper reports 5 laboratory sessions that analyze the effects of group sizes in the voluntary contribution mechanism, when contribution level is either complementary or substitute. The theorical argument is that each production function provides different incentives for the agent along scale changes. When contribution levels are substitutes, bigger groups provide more incentives for free-riders, thus reducing the contribution level, because of decreasing marginal contribution - the 1/N problem -, Kandel and Lazear (1992). On the other hand, if marginal contribution is independent of the group size, as the case where contributions are complementary, the public good provision may increase together with the group size, as in Adams (2002). Our experiment results show that for both production functions bigger groups reduce contribution level and that, when efforts are substitutes, the contribution level is significantly higher. (JEL: H41 J33 C92)

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File URL: http://mpra.ub.uni-muenchen.de/2958/
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Publisher Info
Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 2958.

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Date of creation: Dec 2005
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Handle: RePEc:pra:mprapa:2958

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Related research
Keywords: moral hazard; teams; experimental economics; experiments; free ride; free; ride; group size; production functions;

Find related papers by JEL classification:
J33 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Compensation Packages; Payment Methods
M54 - Business Administration and Business Economics; Marketing; Accounting - - Personnel Economics - - - Labor Management
C92 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Group Behavior
H41 - Public Economics - - Publicly Provided Goods - - - Public Goods

References listed on IDEAS
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  1. Andreoni, James, 1988. "Why free ride? : Strategies and learning in public goods experiments," Journal of Public Economics, Elsevier, vol. 37(3), pages 291-304, December. [Downloadable!] (restricted)
  2. Barton H. Hamilton & Jack A. Nickerson & Hideo Owan, 2003. "Team Incentives and Worker Heterogeneity: An Empirical Analysis of the Impact of Teams on Productivity and Participation," Journal of Political Economy, University of Chicago Press, vol. 111(3), pages 465-497, June. [Downloadable!] (restricted)
  3. Nalbantian, Haig R & Schotter, Andrew, 1997. "Productivity under Group Incentives: An Experimental Study," American Economic Review, American Economic Association, vol. 87(3), pages 314-41, June. [Downloadable!] (restricted)
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  4. Isaac, R Mark & Walker, James M, 1988. "Group Size Effects in Public Goods Provision: The Voluntary Contributions Mechanism," The Quarterly Journal of Economics, MIT Press, vol. 103(1), pages 179-99, February. [Downloadable!] (restricted)
  5. Kandel, Eugene & Lazear, Edward P, 1992. "Peer Pressure and Partnerships," Journal of Political Economy, University of Chicago Press, vol. 100(4), pages 801-17, August. [Downloadable!] (restricted)
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  6. Rotemberg, Julio J, 1994. "Human Relations in the Workplace," Journal of Political Economy, University of Chicago Press, vol. 102(4), pages 684-717, August. [Downloadable!] (restricted)
  7. Richard Mckelvey & Thomas Palfrey, 1998. "Quantal Response Equilibria for Extensive Form Games," Experimental Economics, Springer, vol. 1(1), pages 9-41, June. [Downloadable!] (restricted)
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