Health insurance and social welfare: to what extent does the ex ante and ex post normative approaches differ? (17 juin 2022 – 11h)

Health insurance and social welfare: to what extent does the ex ante and ex post normative approaches differ? (17 juin 2022 – 11h)

Health insurance and social welfare: to what extent does the ex ante and ex post normative approaches differ? (17 juin 2022 – 11h)

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Dans le cadre des journées santé du LIRAESorganisées par Maïva Ropaul & Jonathan Sicsic, Aurélie Pierre, chargée de recherche à l’Institut de Recherche et de Documentation en Economie de la Santé (Irdes), présentera une étude intitulée : « Health insurance and social welfare: to what extent does the ex ante and ex post normative approaches differ? », co-écrite avec Florence Jusot (PR, U. Paris Dauphine, PSL), Carine Franc (CR Inserm, CESP et Irdes) et Denis Raynaud (Directeur de l’Irdes)le vendredi 17 juin 2022 à 11h.


Abstract

To assess social welfare in the context of health insurance, most studies are based on an ex ante approach, which computes the level of well-being of each individual before the risk occurs. This approach has the pros to take into account risk preferences and thus the intrinsic value of insurance. However, most welfare economists do defend an ex post approach, that focuses on the distribution of welfare once all uncertainty is resolved, assuming that people may not be competent at thinking before a risk occurs. This approach gives also a greater weight to those who are unlucky, which is important if society cares about inequality. In this paper, we compare and discuss the empirical differences of using either the ex ante or the ex post normative approach to assess the effect of health insurance policies on social welfare. This paper focuses on a recent reform implemented in France that mandates all private sector employers to offer sponsored Complementary Health Insurance to all of their employees beginning on January 1st, 2016. The results show that the empirical measure of social welfare depends more on the level of aversion to inequalities of the social planner than on the adoption of the ex ante or ex post frameworks. Thus, taking or not into account individuals risk aversion does not seem to matter so much. Conversely, introducing aversion toward inequality modifies greatly the judgement the social planner may have on the reform.

Ce séminaire aura lieu =
en présentiel au LIRAES
Université de Paris
Campus Saint Germain
45 rue des Saints Pères – 75006 PARIS
8ème étage – Bibliothèque du département des politiques de santé
&
sur Zoom 
Voici le lien pour participer à la réunion en visioconférence : https://u-paris.zoom.us/j/83087531091?pwd=TE96bHRFRGF6SThpODA5bFhkbWwzdz09

Ces séminaires mensuels sont l’occasion pour les chercheurs en économie (de la santé) de présenter leurs travaux de recherche en cours.

La durée de chaque séminaire est d’une heure environ.

ADRESSE
45 rue des Saints Pères - 75006 Paris
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01 42 86 20 71 - liraes.deg@u-paris.fr


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