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Ruben Durante (National University of Singapore;ICREA-UPF)
Toulouse, 10 janvier 2025
Anna D’Annunzio (TBS)
Muxin Li (Universita Bocconi)
Greg Taylor (Oxford Internet Institute)
Lukas Dargel et Christine Thomas-Agnan
vol. 51, n° 14, 2024, p. 2929–2960
This article sheds light on the relationship between compositional data (CoDa) regression models and multiplicative competitive interaction (MCI) models, which are two approaches for modeling shares. We demonstrate that MCI models are particular cases of CoDa models with a total and that a...
Franck Iutzeler, Edouard Pauwels et Samuel Vaiter
sous la direction de A. Globerson, L. Mackey, D. Belgrave, A. Fan, U. Paquet, J. Tomczak et Chi Zhang, 2024, p. 118859–118882
We consider stochastic optimization problems where the objective depends on some parameter, as commonly found in hyperparameter optimization for instance. We investigate the behavior of the derivatives of the iterates of Stochastic Gradient Descent (SGD) with respect to that parameter and show that...
Léo Fitouchi, Jean-Baptiste André et Nicolas Baumard
sous la direction de Laith Al-Shawaf et Todd Shackelford, Oxford University Press, 2024
What role do emotions play in moral cognition? Leading accounts argue that a multiplicity of emotions, including guilt, outrage, shame, empathy, and even disgust, play an essential role in moral psychology. Here, this chapter argues that many of these emotions are only superficially associated with...
Alexander Hijzen, Egbert Jongen et Mateo Montenegro
sous la direction de Stéphane Carcillo et Stefano Scarpetta, Elgar, chapitre 14, décembre 2024, p. 262–278
Cécile Aubert, Yann Raineau, Marc Raynal et Nicolas Pasquier
vol. 105, décembre 2024, p. 371–391
Agricultural producers face multiple risks, including climatic, disease, and market risks, that make crop insurance especially valuable to them. However, risk interactions raise specific issues: The value of prevention efforts in a multiple risk context, risk correlation, and compounded effects (...
Marc Raynal, Christian Debord, Loïc Davadan, Cécile Aubert et Yann Raineau
vol. 96, 2024, p. 74–87
Une importante incertitude entoure l'état des menaces sanitaires en temps réel sur les productions végétales. Selon le rapport entre les coûts directs des traitements phytosanitaires et ceux associés aux pertes de rendement, une stratégie de minimisation des risques peut inclure des traitements...
