Holger M. Müller
Holger M. Müller: Department of Economics, Postal: University of Mannheim, LS Hellwig, A5, Room A237, 68131 Mannheim, Germany
Abstract: The continuous-time principal-agent model with exponential utility developed by Holmström and Milgrom (1987) and generalized by Schättler and Sung (1993, 1996) and Sung (1995) admits a simple closed-form solution: The second-best sharing rule is linear in output. Unfortunately, the first-best sharing rule has never been derived. In this note, we show that the first-best sharing rule is also linear in output, which fits in nicely with an analogous result from static risk-sharing theory. In addition, we show that the slope is equal to the principal’s share of total absolute risk-aversion. This result is consistent with Borch’s (1962) fundamental theorem of Pareto-optimal risk-sharing.
8 pages, December 1996
Note: Published in Journal of Economic Theory 79/2, 1998, 276-280
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