A Note on Convex Transformations and the First Order Approach
The first order approach to solving the standard one-dimensional principal-agent model is conditional upon the relevant stochastic production function obeying two noteworthy restrictions: that the Likelihood Ratio be monotonically increasing in output, and that the distribution function be convex in effort. It is usually claimed that such conditions are very restrictive, as very few of the standard probability distributions satisfy both properties. The purpose of this note is to show that this lack of generality should not be seen as a problem, since some simple convexifying transformations are available that enable one to work with proper distributions with the required properties.
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- Marco LiCalzi & Sandrine Spaeter, 2003. "Distributions for the first-order approach to principal-agent problems," Economic Theory, Springer, vol. 21(1), pages 167-173, 01.
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