Sandrine Ollier

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Four experiments were conducted to investigate the factors controlling prolactin (PRL) release at milking. Each experiment used 9 dairy cows in mid-lactation in a 3 × 3 Latin square design. Experiment 1 evaluated the effect of premilking stimulation. The milking unit was attached after 0, 20, or 120 s of manual stimulation. Blood samples were collected from(More)
This paper analyzes optimal contracting when an agent has private information before contracting and exerts hidden effort that stochastically affects the output. Additionally, the contract is constrained to satisfy the agent's ex post participation. We highlight three features of this model. First, the agent faces countervailing incentives. Second, the(More)
This paper analyzes a principal-agent model in which the agent has private information before contracting with the principal and ex-post private decision. These inputs determine the random output accruing to the principal. We characterize the optimal menu of contracts between a risk-neutral principal and a risk-neutral agent when the agent has limited(More)
The paper is devoted to the mathematical analysis of an optimal control problem arising in a generalized principal-agent model with limited liability constraint. We present the economic model and the mathematical formulation. Though the problem seems " simple " , it presents many difficulties that are hard to overcome. After a formal resolution, we give an(More)
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