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Lukas Dargel, and 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...

Article

Franck Iutzeler, Edouard Pauwels, and Samuel Vaiter

A. Globerson, L. Mackey, D. Belgrave, A. Fan, U. Paquet, J. Tomczak, and Chi Zhang (eds.), 2024, pp. 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...

Article

Léo Fitouchi, Jean-Baptiste André, and Nicolas Baumard

Laith Al-Shawaf, and Todd Shackelford (eds.), 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...

Book chapter

Alexander Hijzen, Egbert Jongen, and Mateo Montenegro

Stéphane Carcillo, and Stefano Scarpetta (eds.), Elgar, chapter 14, December 2024, p. 262–278

Book chapter

Cécile Aubert, Yann Raineau, Marc Raynal, and Nicolas Pasquier

vol. 105, December 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 (...

Article

Marc Raynal, Christian Debord, Loïc Davadan, Cécile Aubert, and Yann Raineau

vol. 96, 2024, pp. 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...

Article

Marianne Lefebvre, Yann Raineau, Cécile Aubert, Pauline Pedehour, Niklas Möhring, and Marc Raynal

vol. 51, n. 5, December 2024, p. 1201–1272

Green insurance can help producers manage the risks of transitioning to more environmentally friendly practices. We investigate the uptake determinant and potential pesticide reduction in the viticulture sector, a major pesticide user, using a choice experiment with 412 French growers. Correcting...

Article

Philipp Harfst, Damien Bol, André Blais, Sona Golder, Jean-François Laslier, and Karine Van Der Straeten

vol. 34, n. 3, 2024, p. 387–408

Many authors argue that candidates are more popular among voters from their own region. Two potential explanations have been suggested: voters’ identification with their home region, and the representation of regional interests. The information on candidates’ residence can be transmitted to voters...

Article

Claire Borsenberger, Helmuth Cremer, Denis Joram, Jean-Marie Lozachmeur, and Estelle Malavolti

Pier Luigi Parcu, Timothy J. Brennan, and Victor Glass (eds.), 2024

Book chapter

Sebastian Thieme

2024, pp. 1–8

Lobbying expenditures are widely used as a proxy variable for measuring lobbying activity. However, the validity of this approach has rarely been examined and existing justifications do not account for heterogeneity in expenditure formats across types of lobbyists. I address the question using...

Article