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Erica Doro et Vincent Réquillart
n° 18-913, avril 2018
Food systems in developed countries face one major challenge, namely the promotion of diets that are both healthy and generate less greenhouse gas emissions (GHGE). In this article, we review papers evaluating the impact of a change in diets on both health and GHGE. We address the following...
Thomas Mariotti, Nikolaus Schweizer, Nora Szech et Jonas von Wangenheim
n° 18-914, avril 2018, révision juin 2021
We study the optimal design of information nudges for present-biased consumers who make sequential consumption decisions without exact prior knowledge of their long-term consequences. For any distribution of risks, there exists a consumer-optimal information nudge that is of cutoff type,...
Marc Ivaldi et Vicente Lagos
n° 18-915, avril 2018
The Coordinate Price Pressure Index (CPPI) measures the incentives of two competitors to engage in a particular type of Parallel Accommodating Conduct (PAC). Specifically, it measures the incentives of a leader firm to initiate a unilateral percentage price increase, with the expectation that a...
Daniel Coublucq, Marc Ivaldi et Gerard J. Mccullough
n° 18-916, avril 2018
Considering the US railroad industry, which is characterized by seven integrated firms that provide freight services on tracks they own and maintain, this paper provides a structural model that allows to evaluate the potential effects of opening the rail network to new firms on prices and...
Astrid Hopfensitz et Cesar Mantilla
n° 18-917, avril 2018
Emotion display serves as incentives or deterrents for others’ in many social interactions. We study the portrayal of anger and happiness, two emotions associated with dominance, and its relationship to team performance in a high stake environment. We analyze 4,318 pictures of players from 304...
Christian Gollier et Miles S. Kimball
n° 884, avril 2018
The Diffidence Theorem, together with complementary tools, can aid in illuminating a broad set of questions about how to mathematically characterize the set of utility functions with specified economic properties. This paper establishes the technique and illustrates its application to many...
Ian Schindler et Cyril Tintarev
avril 2018, p. 57–48
Jad M. Chaaban, Hala Ghattas, Alexandra Irani et Alban Thomas
vol. 10, n° 2, avril 2018, p. 457–472
We propose an empirical method for improving food assistance scoring and targeting, which minimizes under-coverage and leakage of food and cash assistance programs. The empirical strategy relies on a joint econometric estimation of food insecurity and economic vulnerability indicators at the...
Wei Hu et Nicolas Treich
vol. 38, n° 2, avril 2018, p. 720–724
In this paper, we consider an intergroup contest game with intragroup altruism. We show that more altruism within a group increases conflict intensity by increasing total groups' efforts. Moreover, we show that, unlike the celebrated Olson's group size paradox, group size increases the probability...
Nicolas Treich
vol. 33, avril 2018, p. 3–48
L’économie ne s’intéresse pas aux animaux. L’ambition de cet article est de stimuler des recherches en économie sur les animaux et le véganisme. Par véganisme, nous considérons tous les comportements visant à modifier (et pas seulement éliminer) l’utilisation ou la consommation d’animaux pour des...
