Two Types of Collusion in a Model of Hierarchical Agency
The standard ex post type of collusion is a supervisor-agent agreement to misrepresent the outcome of supervision. Under ex ante collusion the agent makes a side transfer to the supervisor, who, in return, stops monitoring the agent's productivity. Extending Tirole's  model of hierarchy to include ex ante collusion and supervision costs, we show that the principal can ignore ex ante collusion and the supervisor's incentive constraint if supervision technology is likely to generate information at a low cost. To prevent ex ante collusion the principal increases the difference between the wages paid when the supervisor's report is empty and when it contains productivity evidence.
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Volume (Year): 162 (2006)
Issue (Month): 2 (June)
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- Kofman, F. & Lawarree, J., 1990.
"Collusion in Hierarchical Agency,"
Discussion Papers in Economics at the University of Washington
91-01, Department of Economics at the University of Washington.
- Bac, Mehmet, 1996. "Corruption, Supervision, and the Structure of Hierarchies," Journal of Law, Economics and Organization, Oxford University Press, vol. 12(2), pages 277-298, October.
- Laffont, Jean-Jacques, 1990. "Analysis of Hidden Gaming in a Three-Level Hierarchy," Journal of Law, Economics and Organization, Oxford University Press, vol. 6(2), pages 301-324, Fall.
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