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Bertrand Jayles, Ramon Escobedo, Stéphane Cezera, Adrien Blanchet, Tatsuya Kameda, Clément Sire et Guy Théraulaz
n° 1101, « 20-1101 », mai 2020
A major problem that resulted from the massive use of social media networks is the diffusion of incorrect information. However, very few studies have investigated the impact of incorrect information on individual and collective decisions. We performed experiments in which participants had to...
Pascal Lavergne et Patrice Bertail
n° 20-1102, mai 2020, révision juin 2021
We consider quasi likelihood ratio (QLR) tests for restrictions on parameters under potential model misspecification. For convex M-estimation, including quantile regression, we propose a general and simple nonparametric bootstrap procedure that yields asymptotically valid critical values. The...
Hillard Kaplan, Benjamin C. Trumble, Jonathan Stieglitz, Roberta Mendez Mamany, Maguin Gutierrez Cayuba, Leonardina Maito Moye, Sarah Alami, Thomas S. Kraft, Raul Quispe Gutierrez, Adrian Juan Copajira, Randall Thompson, Gregory Thomas, Daniel Eid Rodriguez, David E. Michalik et Michael Gurven
mai 2020
Indigenous communities worldwide share common features that make them especially vulnerable to the complications of and mortality from COVID-19. They also possess resilient attributes that can be leveraged to promote prevention efforts. How can indigenous communities best mitigate potential...
Paul-Henri Moisson et Jean Tirole
The paper investigates factors that undermine meritocracy and policies that may restore it. To this purpose, it analyzes the Markovian dynamics, the entrenchment and the welfare properties of an organization whose members’ cooptation decisions are driven by two motives: quality and homophily. It...
The paper studies discriminatory hiring by an organization whose members’ cooptation decisions are driven by two motives: quality and homophily. Small variations in the initial quality or diversity of the organization may lead to virtuous or vicious spirals. In order to avoid depriving itself of...
Marcel Boyer
n° 2 : « Competition Law review », mai 2020, p. 33–38
Marcel Boyer, Anne Catherine Faye, E. Gravel et Rachidi Kotchoni
n° 3, mai 2020, 6 pages
Nous discutons les enjeux et embûches théoriques et empiriques auxquels les autorités de concurrence et les tribunaux font face pour sanctionner les cartels, à savoir la probabilité de détection, la dynamique de cartel, la durée de l’impact et le surprix.
Gonçalo Faria, Andy Gardner et Pau Carazo
vol. 4, mai 2020, p. 1141–1148
Recent years have seen an explosion of interest in the overlap between kin selection and sexual selection, particularly concerning how kin selection can put the brakes on harmful sexual conflict. However, there remains a significant disconnect between theory and empirical research. Whilst empirical...
Stefan Pollinger
n° 20-1109, mai 2020, révision janvier 2021
This paper shows that the optimal combination of social distancing and case detection allows for complete and efficient eradication of COVID-19. The first contribution is theoretical. I show that the optimal suppression-policy is a simple function of observable sufficient-statistics, making it...
n° 20-1105, mai 2020
Je considère regrettable l'accent mis actuellement sur les inégalités de revenus et de richesse par rapport aux inégalités de consommation socialement plus pertinentes et considérablement réduites au cours des dernières décennies et plus. Un facteur important a été le développement des transferts...
