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Jérôme Bolte, Laurent Miclo et Stéphane Villeneuve
n° 22-1302, mars 2022
Using jointly geometric and stochastic reformulations of nonconvex problems and exploiting a Monge-Kantorovich gradient system formulation with vanishing forces, we formally extend the simulated annealing method to a wide class of global optimization methods. Due to an inbuilt combination of a...
Frédéric Koessler, Marie Laclau, Jérôme Renault et Tristan Tomala
n° 22-1321, mars 2022
This paper studies zero-sum splitting games with finite sets of states. Players dynamically choose a pair of martingales {pt,qt}t, in order to control a terminal payoff u(p∞,q∞). A firstpartintroduces the notion of “Mertens-Zamir transform” of a real-valued matrix and use it to approximate the...
Catherine Cazals, Thierry Magnac, Frank Rodriguez, Jonathan Pope et Soterios Soteri
sous la direction de Pier Luigi Parcu, Timothy J. Brennan et Victor Glass, Springer Nature Switzerland AG, mars 2022
Claire Borsenberger, Helmuth Cremer, Denis Joram, Jean-Marie Lozachmeur et Estelle Malavolti
n° 22-1318, mars 2022
We study how consumers’ environmental awareness (CEA) affects the design of environmental policy in the e-commerce sector. We also examine if there is a need for regulation requiring delivery operators to reveal their emissions. We consider a model with two retailers who sell a differentiated...
Yuzuru Kumon
n° 22-138, mars 2022
Despite its sophistication, Early Modern Japan, 1600-1868, had among the lowest real wage levels ever recorded, half of those in pre-industrial England. This paper resolves this puzzle by considering the more equal landownership distribution in Japan relative to Europe. Due to institutional...
Johannes Hörner et Anna Sanktjohanser
n° 22-1327, mars 2022
We consider a repeated game, in which due to private information and a lack of flexible transfers, cooperation cannot be sustained efficiently. In each round, the buyer either buys from the seller or takes an outside option. The fluctuating outside option may be public or private information. When...
Abdelaati Daouia, Gilles Stupfler et Antoine Usseglio-Carleve
n° 22-1323, mars 2022, révision février 2023
Superspreading has been suggested to be a major driver of overall transmission in the case of SARS-CoV-2. It is therefore important to statistically investigate the tail features of superspreading events (SSEs) to better understand virus propagation and control. Our extreme value analysis of...
Renato Gomes, Jean-Marie Lozachmeur et Lucas Maestri
n° 22-1326, mars 2022
We study oligopolistic competition by firms practicing second-degree price discrimination. In line with the literature on demand estimation, our theory allows for comovements between consumers’ taste for quality and propensity to switch brands. If low-type consumers are sufficiently less (more) brand...
Robin Harding, Mounu Prem, Nelson A. Ruiz et David L. Vargas
n° 22-136, mars 2022
While existing work has demonstrated that campaign donations can buy access to benets such as favorable legislation and preferential contracting, we highlight another use of campaign contributions: buying reductions in regulatory enforcement. Specically, we argue that in return for campaign...
Jean-Paul Azam et Jérôme Ferret
n° 22-1296, mars 2022, révision novembre 2023
A simple game-theoretic model is used to end the sterile intellectual trench war between those who analyze each instance of a community’s radicalization process as a self-contained phenomenon and those who prefer to embed such episodes within a more encompassing social framework. In the model, two...
