Recherche avancée

Nicolas Treich

n° 19-988, janvier 2019

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...

Christian Gouriéroux et Joann Jasiak

vol. 9, janvier 2019, p. 14–41

The martingale hypothesis is commonly tested in financial and economic time series. The existing tests of the martingale hypothesis aim at detecting some aspects of nonstationarity, which is considered an inherent feature of a martingale process. However, there exists a variety of martingale...

Andrea Attar, Thomas Mariotti et François Salanié

vol. 14, n° 1, janvier 2019, p. 297–343

We study a discriminatory limit-order book in which market makers compete in nonlinear tariffs to serve a privately informed insider. Our model allows for general nonparametric specifications of preferences and arbitrary discrete distributions for the insider's private information. Adverse...

Joao Correia da silva, Bruno Jullien, Yassine Lefouili et Joana Pinho

vol. 28, n° 1, janvier 2019, p. 109–124

This paper discusses the literature on horizontal mergers between multi-sided platforms and argues that the Cournot model can provide useful insights into the welfare effects of such mergers. To illustrate those insights, we develop a simple model in which two-sided platforms offer a homogeneous...

Jean-Paul Décamps et Stéphane Villeneuve

vol. 23, n° 1, janvier 2019, p. 1–28

We study a corporate finance dynamic contracting model in which the firm's growth rate fluctuates and is impacted by the unobservable effort exercised by the manager. We show that the principal's problem takes the form of a two-dimensional Markovian control problem. We prove regularity properties...

Pierre-André Chiappori, Bernard Salanié, François Salanié et Amit Gandhi

vol. 87, n° 1, janvier 2019, p. 1–36

We show that even in the absence of data on individual decisions, the distribution of individual attitudes towards risk can be identified from the aggregate conditions that characterize equilibrium on markets for risky assets. Taking parimutuel horse races as a textbook model of contingent markets...

Christian Gollier

vol. 80, janvier 2019, p. 1–8

Gladys Barragan, Cristina Atance, Astrid Hopfensitz, Jonathan Stieglitz et Maxime Cauchoix

vol. 10, n° 2719, janvier 2019

Stéphane Caprice et Shiva Shekhar

vol. 39, n° 1, janvier 2019, p. 94–103

Multi-product retailers competing with smaller retailers can exercise market power by pricing below cost products also offered by smaller rivals. Loss-leading is not a predatory strategy: rather pro-competitive justifications are invoked. Unlike standard textbook models, we show that positive...

Vincent Berthet et Benjamin Ouvrard

vol. 5, janvier 2019, p. 1–5

This article presents a particular viewpoint on how nudge should be understood. The concept of nudge has generated consid-erable interest among academics and policymakers. However, ten years later, what is meant exactly by “nudge” is still a matter of debate. In fact, there is a fundamental...