Ambiguity in Dynamic Contracts

Martin Szydlowski

Discussion Papers from Northwestern University, Center for Mathematical Studies in Economics and Management Science

Abstract: I study a dynamic principal agent model in which the effort cost of the agent is unknown to the principal. The principal is ambiguity averse, and designs a contract which is robust to the worst case effort cost process. Ambiguity divides the contract into two regions. After sufficiently high performance, the agent reaches the over-compensation region, where he receives excessive benefits compared to the contract without ambiguity, while after low performance, he enters the under-compensation region. Ambiguity also causes a disconnect between the current effort cost and the strength of incentives. That is, even when the agent is under-compensated, his incentives are as strong as in the over-compensation region, since the principal fears the agent might shirk otherwise. Under ambiguity, the agent’s true effort cost does not need to equal the worst-case. I analyze the agent’s incentives for this case, and show that the possibility of firing is detrimental to the agent’s incentives. I study several extensions concerning the timing structure and the nature of the principal’s ambiguity aversion. JEL Code: D82, D86, M52

Keywords: Dynamic contract; principal-agent model; ambiguity aversion; continuous time JEL Classification Numbers: 1543 (search for similar items in EconPapers)
Date: 2012-01-16
New Economics Papers: this item is included in nep-cta, nep-mic and nep-upt
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Citations: View citations in EconPapers (15)

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