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Jay J. Van Bavel, Aleksandra Cichocka, Paulo S. Boggio et Sylvie Borau
vol. 13, n° 517, 2022
Changing collective behaviour and supporting non-pharmaceutical interventions is an important component in mitigating virus transmission during a pandemic. In a large international collaboration (Study 1, N = 49,968 across 67 countries), we investigated self-reported factors associated with public...
Estelle Malavolti et Chunan Wang
vol. 2022, 2022
In the context of the SESAR (Single European Sky Air traffic management Research) Joint Undertaking, the role that the air navigation service provider (ANSP) could play has been reconsidered. ANSP manages traffic and deals with potential conflict situations and external events, which have led to...
Jad Beyhum, Jean-Pierre Florens et Ingrid Van Keilegom
vol. 40, n° 3, 2022, p. 1034–1045
This article analyzes the effect of a discrete treatment Z on a duration T. The treatment is not randomly assigned. The confounding issue is treated using a discrete instrumental variable explaining the treatment and independent of the error term of the model. Our framework is nonparametric and...
Helmuth Cremer et Jean-Marie Lozachmeur
vol. 84, n° 102642, 2022
This paper studies a market for a medical product in which there is perfect competition among health insurers, while the good is sold by a monopolist. Individuals differ in their severity of illness and there is ex post moral hazard. We consider two regimes: one in which insurers use coinsurance...
Samuele Centorrino, Jean-Pierre Florens et Jean-Michel Loubes
sous la direction de Felix Chan et Laszlo Matyas, Springer, chapitre 7, 2022, p. 217–250
A supervised machine learning algorithm determines a model from a learning sample that will be used to predict new observations. To this end, it aggregates individual characteristics of the observations of the learning sample. But this information aggregation does not consider any potential...
Céline Bonnet, Zohra Bouamra-Mechemache et Gordon Klein
vol. 49, n° 5, décembre 2022, p. 1113–1145
In this paper, we analyse the strategic role of the recent introduction of national brand (NB) products by hard discounters (HDs) in the French food retailing market and its impact both at the retail and manufacturer levels. We use a structural econometric model of vertical relationships and...
Christopher Clayton et Andreas Schaab
n° 22-1389, décembre 2022
Should central banks’ inflation targets remain set in stone? We study a dynamic mechanism design problem between a government (principal) and a central bank (agent). The central bank has persistent private information about structural shocks. Firms learn the state from the central bank’s reports...
Abdelaati Daouia, Irene Gijbels et Gilles Stupfler
vol. 117, n° 539, 2022, p. 1579–1586
Regression extremiles define a least squares analogue of regression quantiles. They are determined by weighted expectations rather than tail probabilities. Of special interest is their intuitive meaning in terms of expected minima and maxima. Their use appears naturally in risk management where, in...
Cécile Aubert et Huihui Ding
vol. 59, 2022, p. 207–249
A reelection-seeking politician makes a policy decision that can reveal her private information on whether her political orientation and capabilities will be a good fit to future circumstances. We study how she may choose inappropriate policies to hide her information, even in the absence of...
Zoe Purcell et Jean-François Bonnefon
n° 22-1387, novembre 2022
Artificial Intelligence (AI) can be harnessed to create sophisticated social and moral scoring systems —enabling people and organizations to form judgements of others at scale. However, it also poses significant ethical challenges and is, subsequently, the subject of wide debate. As these...
