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Pré-publication, Document de travail Année : 2021

To test or not to test? Risk attitudes and prescribing by French GPs

Résumé

Risk is a key dimension of economic decisions, but whether risk attitudes can predict real economic behaviour is still subject to investigation. We measure general practitioners' (GPs) risk attitudes and check for a relationship with variations in prescribing practices. Individual-level risk attitudes are elicited from simple survey choices on a representative national panel of 939 French GPs, and are linked to their volume of lab-test prescriptions through administrative records. Specifically, we estimate individual components of a flexible decision model under risk (rank-dependent utility) using random-coefficient estimations, and then treat these components as predictors of observed lab-test prescribing. We find that (1) GPs exhibit the usual patterns of risk attitudes: risk aversion and inverse S-shaped probability weighting prevails (2) risk aversion captured by the utility function is positively correlated with lab-test prescribing.
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Dates et versions

hal-03330153, version 1 (31-08-2021)

Identifiants

  • HAL Id : hal-03330153 , version 1

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Emmanuel Kemel, Antoine Nebout, Bruno Ventelou. To test or not to test? Risk attitudes and prescribing by French GPs. 2021. ⟨hal-03330153⟩

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