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Céline Bonnet, C. Trachtman, M. Van Dop, and Sofia B. Villas-Boas
vol. 47, n. 2, April 2020, pp. 819–847
Philippe Alby, Emmanuelle Auriol, and Pierre Nguimkeu
vol. 87, n. 346, April 2020, pp. 299–327
In the absence of a public safety net, wealthy Africans have the social obligation to share their re- sources with their needy relatives in the form of cash transfers and inefficient family hiring. We develop a model of entrepreneurial choice that accounts for this social redistributive constraint...
James K. Hammitt, P. Morfeld, J.T Tuomisto, and T.C Erren
vol. 40, n. 4, April 2020, pp. 674–695
Abdelaati Daouia, Jean-Pierre Florens, and Léopold Simar
vol. 14, April 2020, pp. 1–23
In stochastic frontier models, the regression function defines the production frontier and the regression errors are assumed to be composite. The actually observed outputs are assumed to be contaminated by a stochastic noise. The additive regression errors are composed from this noise term and the...
Pierre Dubois, Paulo Albuquerque, Oliver Allais, Céline Bonnet, Patrice Bertail, P. Compris, Saadi Lahlou, Nathalie Rigal, Bernard Ruffieux, and Pierre Chandon
April 2020
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...
Jérôme Bolte, and Edouard Pauwels
April 2020, pp. 1–33
Modern problems in AI or in numerical analysis require nonsmooth approaches with a exible calculus. We introduce generalized derivatives called conservative fields for which we develop a calculus and provide representation formulas. Functions having a conservative field are called path...
Alexis Carlier, and Nicolas Treich
vol. 14, n. 1, April 2020, pp. 113–152
Research in economics is anthropocentric. It only cares about the welfare of humans, and usually does not concern itself with animals. When it does, animals are treated as resources, biodiversity, or food. That is, animals only have instrumental value for humans. Yet unlike water, trees or...
Iyad Rahwan, Jacob W. Crandall, and Jean-François Bonnefon
vol. 117, n. 14, April 2020, pp. 7555–7557
Alberto Micheletti
vol. 2, n. 10, April 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...
Zachary Garfield, and Edward H. Hagen
vol. 31, n. 2, April 2020
