Recherche avancée

David Le Bris et Victor Gay

vol. 18, n° 1, janvier 2023

Psychological traits display substantial variation worldwide. These psychological variations could be explained by the intensity of kinship ties which, we hypothesize, depends on the reception of innovations that gradually complexified family organizations. These innovations originated from several...

Pierre Dubois et Thierry Magnac

n° 23-1402, janvier 2023

We study intertemporal trade-offs that health authorities (HAs) face when considering the control of an epidemy using innovative curative medical treatments. We set up a dynamically controlled Susceptibles-Infected-Recovered (SIR) model for an epidemy in which patients can be asymptomatic, and we...

Farid Gasmi, Laura Recuero Virto et Denis Couvet

n° 23-1399, janvier 2023

Using a novel database on countries exposed to coastal risks (CR), this paper estimates an augmented neoclassical growth model that nests eight other new growth models. To account for uncertainty related to model multiplicity and choice of growth determinant proxies, we use a Bayesian model...

Alexandre de Cornière et Miklos Sarvary

vol. 69, n° 1, janvier 2023

The growing influence of internet platforms acting as content aggregators is one of the most important challenges facing the media industry. We develop a simple model to understand the impact of third-party content bundling by a social platform that has a monopoly on showing user-generated content...

Marion Mercier, Arthur Silve et Benjamin Tremblay-Auger

vol. 31, n° 2, 2022, p. 191–196

Elisa Luciano et Jean-Charles Rochet

vol. 144, 2022, p. 104543

The risk appetite of insurance companies fluctuates over time in a quasi cyclical fashion. When their capitalization is high (low), companies choose portfolios with a high (small) share of risky assets. We show that this phenomenon has the same source as the underwriting cycle, namely...

François Seyler et Arthur Silve

vol. 31, n° 2, 2022, p. 185–190

Luca Maini

Paris, 2022, révision 10 juin 2026

Kevin Ducbao Tran

TSE, 2022, révision 10 juin 2026

Helmuth Cremer et Jean-Marie Lozachmeur

vol. 84, n° 102642, 2022

This paper studies a market for a medical product in which there is perfect competition among health insurers, while the good is sold by a monopolist. Individuals differ in their severity of illness and there is ex post moral hazard. We consider two regimes: one in which insurers use coinsurance...