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Thibault Laurent, Michel Le Breton, Dominique Lepelley et Olivier de Mouzon
n° 54, avril 2020, p. 363–395
Douadia Bougherara, Lana Friesen et Céline Nauges
n° 20-1085, avril 2020
While much literature has focused on preferences regarding risk, preferences over skewness also have significant economic implications. An important and understudied aspect of skewness preferences is how they affect risk taking. In this paper, we design a novel laboratory experiment that elicits...
Kelly Fielding, Céline Nauges et Sarah Ann Wheeler
n° 20-1086, avril 2020
Although past findings are inconclusive, there is evidence of a negative relationship between wealth—at the household and country level—and climate change concern. One explanation for this relationship is that wealth provides a buffer against the risks of climate change, leading people in wealthy...
Christian Gollier et Olivier Gossner
n° 1, n° 2, avril 2020, p. 32–42
It is well-known that group testing is an efficient strategy to screen for the presence of a virus. It consists of pooling n individual samples with a single test using RT-PCR. If no individual in the group is infected, the group test is negative. Thus, a single test may reveal this crucial...
Christian Gollier
avril 2020
This a a very preliminary work. My model relies on very uncertain epidemiological parameters.
On a justifié la stratégie de confinement en France comme ailleurs par la nécessité d’étaler la courbe de l’infection, pour désengorger les services d’urgence. Mais s’il s’agit d’atteindre l’immunité collective, obtenue si au moins 70% de la population est immunisée, d’après les...
Iyad Rahwan, Jacob W. Crandall et Jean-François Bonnefon
vol. 117, n° 14, avril 2020, p. 7555–7557
Pierre Dubois, Paulo Albuquerque, Oliver Allais, Céline Bonnet, Patrice Bertail, P. Compris, Saadi Lahlou, Nathalie Rigal, Bernard Ruffieux et Pierre Chandon
To examine whether four pre-selected front-of-pack nutrition labels improve food purchases in real-life grocery shopping settings, we put 1.9 million labels on 1,266 food products in four categories in 60 supermarkets and analyzed the nutritional quality of 1,668,301 purchases using the FSA...
James K. Hammitt, P. Morfeld, J.T Tuomisto et T.C Erren
vol. 40, n° 4, avril 2020, p. 674–695
Alberto Micheletti
vol. 2, n° 10, avril 2020, 5 pages
One of the difficulties with cultural group selection theory highlighted in the review by Smith (2020, Evol. Hum. Sci., 2, e7) is its inability to separate the evolutionary effects of selection of cultural traits based on biological fitness (Cultural Selection 1) from the effects of selection based...
