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Learning from failures: Optimal contracts for experimentation and production

par Khalil, Fahad;Lawarree, Jacques ;Rodivilov, Alexander
Référence Journal of economic theory, 190, 105107
Publication Publié, 2020-11

Article révisé par les pairs

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Résumé :

Before embarking on a project, a principal must often rely on an agent to learn about its profitability. We model this learning as a two-armed bandit problem and highlight the interaction between learning (experimentation) and production. We derive the optimal contract for both experimentation and production when the agent has private information about the efficiency of experimentation. This private information in the experimentation stage generates asymmetric information in the production stage even though there was no disagreement about the profitability of the project at the outset. The degree of asymmetric information is endogenously determined by the length of the experimentation stage. An optimal contract uses the length of experimentation, the production scale, and the timing of payments to screen the agent. We find that over-experimentation and over-production can be used to reduce the agent's rent. An efficient type is rewarded early since he is more likely to succeed in experimenting, while an inefficient type is rewarded at the very end of the experimentation stage. This result is robust to the introduction of ex post moral hazard.