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ItemNon-monotone incentives in a model ofcoexisting hidden action and hidden informationBasov, S. ( 2006-12)In this paper I consider a model of coexisting moral hazard andadverse selection, similar to one considered by Guesnerie, Picard, and Rey(1989). I provide an explicit solution for the optimal incentive scheme in thecase, when the effort is observed with a normally distributed error. The mainobservation is that in this case the optimal incentive scheme often fails tobe monotone. If the monotonicity constraint is imposed on the solution foreconomic reasons there would exist a region of profit realizations, such thatthe optimal compensation will be independent of on performance.Keywords and Phrases: hidden action, hidden information, Fredholmintegral equations of the first type, Hermit polynomials.
ItemQuality GapsBasov, S. ( 2006-06)In this paper I consider a monopolistic screening model withcontinuum of types when the type set is a disconnected subset of the realline. I prove that the product line remains connected provided that the gapin the type space is sufficiently small. I also use the results to show that theinverse screening problem may be ill-defined.
ItemA general model of coexisting hidden action and hidden informationBasov, S. ; Bardsley, P. ( 2005-12)We consider a general agency model with coexisting hidden actionand hidden information. We prove that, with minor technical qualifications,independence of the production technology from the consumer type isnecessary and sufficient for welfare irrelevance of hidden action. Our resultclarifies and confirms the main conclusion drawn in the existing literatureon mixed models, that if the parties are risk neutral and the productiontechnology is not correlated with private information, then hidden action isirrelevant. However it makes it clear that even under risk neutrality this conclusiondoes not extend to the correlated case, which in practice occurs quitefrequently. We illustrate it with a realistic example where neither hiddenaction nor hidden information on their own lead to welfare losses, while theircombination does.Keywords and Phrases: hidden action, hidden information, Fredholmintegral equations of the first type.