Recherche avancée

Ulrich Hege, Sébastien Pouget et Yifei Zhang

n° 23-1400, janvier 2023, révision décembre 2024

We study the impact of climate patents on financial markets. Exploiting quasi-random variations in patent examiner leniency, we show that firms are rewarded with significant positive stock returns over a 12-month horizon when they receive fortuitous climate patent grants, compared with similarly...

Jens Prüfer

Toulouse, janvier 2023, révision 10 juin 2026

Marion Hoffman, Per Block et Tom Snijders

vol. 53, n° 1, janvier 2023

Despite the central role of self-assembled groups in animal and human societies, statistical tools to explain their composition are limited. The authors introduce a statistical framework for cross-sectional observations of groups with exclusive membership to illuminate the social and organizational...

Augustin Tapsoba

vol. 160, n° 102975, janvier 2023

The fear of exposure to conflict events often triggers changes in the behavior of eco-nomic agents even before/without any manifestation of violence in a given area. It gen-erates a treatment status (exposure to the adverse e˙ects of conflict) that goes beyond violence incidence. This paper...

Christian Gouriéroux et Joann Jasiak

vol. 232, n° 1, janvier 2023, p. 35–51

A major difficulty in the analysis of Covid-19 transmission is that many infected individuals are asymptomatic. For this reason, the total counts of infected individuals and of recovered immunized individuals are unknown, especially during the early phase of the epidemic. In this paper, we consider...

Helmuth Cremer et Chiara Canta

vol. 75, n° 1, janvier 2023, p. 117–141

We study the optimal design of social long-term care (LTC) insurance when the utility of informal caregivers is taken into account. Informal care is exchange-based. Children’s cost of providing care is continuously distributed over some interval and is not observable. Parents choose a rule...

Edmond Seabright, Sarah Alami, Thomas S. Kraft, Helen Davis, Ann E. Caldwell, Paul L. Hooper, Lisa McAllister, Sarah Mulville, Christopher Von Rueden, Benjamin C. Trumble, Jonathan Stieglitz, Michael Gurven et Hillard Kaplan

vol. 378, n° 1868, janvier 2023

While it is commonly thought that patrilocality is associated with worse outcomes for women and their children due to lower social support, few studies have examined whether the structure of female social networks covaries with post-marital residence. Here, we analyse scan sample data collected...

Aksel Erbahar et Vincent Rebeyrol

vol. 140, n° 103693, janvier 2023

This paper shows that manufacturing exporters export goods that they have not produced and thus also act as trade intermediaries. The geographical dimension of the data reveals that almost half of these exports of “sourced” products are purely intermediated: to many destinations, firms export...

Thomas S. Kraft, Daniel Cummings, Vivek Venkataraman, Sarah Alami, Bret A. Beheim, Paul L. Hooper, Edmond Seabright, Benjamin C. Trumble, Jonathan Stieglitz, Hillard Kaplan, Karen L. Endicott, Kirk M. Endicott et Michael Gurven

vol. 378, n° 1868, janvier 2023

Cooperation in food acquisition is a hallmark of the human species. Given that costs and benefits of cooperation vary among production regimes and work activities, the transition from hunting-and-gathering to agriculture is likely to have reshaped the structure of cooperative subsistence networks....

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...