Author
Listed:
- Philippe de Donder
(TSE-R - Toulouse School of Economics - UT Capitole - Université Toulouse Capitole - UT - Université de Toulouse - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement, CNRS - Centre National de la Recherche Scientifique)
- David Bardey
(UNIANDES - Universidad de los Andes [Bogota], TSE-R - Toulouse School of Economics - UT Capitole - Université Toulouse Capitole - UT - Université de Toulouse - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)
- Marie-Louise Leroux
(ESG-UQAM - UQAM - Université du Québec à Montréal = University of Québec in Montréal, CESifo - CESifo, UCL - Université Catholique de Louvain = Catholic University of Louvain)
Abstract
We study a situation where physicians differing in their degree of altruism exert a diagnostic effort before deciding whether to test patients to determine the most appropriate treatment. The diagnostic effort generates an imperfect private signal of the patient's type, while the test is perfect. At the laissez-faire, physicians exert insufficient diagnostic effort and rely excessively on testing. We show that the first-best allocation (where the degree of altruism is observable) can be decentralized by a payment scheme composed of i) a payforperformance (P4P) part based on the number of correctly treated patients to ensure the provision of the optimal diagnostic effort, and of ii) a capitation part to ensure both the optimal testing decision and the participation of physicians. When physicians differ in their (non-observable) degree of altruism, the optimal contract is pooling rather than separating, an instance of non-responsiveness. Its uniform P4P component induces more altruistic physicians to exert a larger diagnostic effort while, to incentivize the second-best optimal testing decision, its capitation component must be contingent on the test cost.
Suggested Citation
Philippe de Donder & David Bardey & Marie-Louise Leroux, 2024.
"Incentivizing Physicians' Diagnostic Effort and Test with Moral Hazard and Adverse Selection,"
Working Papers
hal-04803393, HAL.
Handle:
RePEc:hal:wpaper:hal-04803393
Note: View the original document on HAL open archive server: https://hal.science/hal-04803393v1
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