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Jean-Pierre Florens et James J. Heckman
Christian Hellwig et Venky Venkateswaran
2025, à paraître
Jean Tirole
sous la direction de Subramanian Rangan, Oxford University Press, partie I, chapitre 2, 2025, p. 59–70
Any scientific discipline—any theory, formal or informal—rests on assumptions. These assumptions matter, and in the case of social sciences, they influence our vision of society and our policy recommendations. This chapter reviews and comments on assumptions most commonly made by economists—...
Pierre Dubois et Gökçe Gökkoca
Antimicrobial resistance (AMR) increases healthcare costs, hospital stays, and mortality. This study examines how AMR affects antibiotic prescribing for cystitis in France (2002–2019), using data from general practitioners. A decision model is developed to capture prescribing behavior with and...
Eran Shmaya et Bruno Ziliotto
vol. 63, n° 3, 2025
We consider a mean-field game model in which the cost functions depend on a fixed parameter referred to as the “state,” which remains unknown to the players. Players acquire information about the state through private signals received during the course of the game. We derive a mean-field system...
André Grimaud et Luc Rougé
vol. 29, n° e98, 2025, p. 1–30
Technical progress is considered a key element in the fight against climate change. It may take the form of technological breakthroughs, that is, shocks that induce significant leaps in the stock of knowledge. We use an endogenous growth framework with directed technical change to analyze the...
Olivier Faugeras
Compositional Data (CoDa) is usually viewed as data on the simplex and is studied via a log-ratio analysis, following the classical work of Aitchison (1986). We propose to bring to the fore an alternative view of CoDa as a stick breaking process, an approach which originates from Bayesian...
Daniel L. Chen et Susan Yeh
vol. 128, n° 103155, 2025, à paraître
Does obscenity law affect moral values and does it matter? Using random judge assignment and all U.S. obscenity precedents since 1958, we report four key findings. Democratic judges, more than Republicans, tended to vote progressively in obscenity cases. Such progressive rulings liberalized sexual...
Christophe Courbage, Richard Peter, Béatrice Rey et Nicolas Treich
sous la direction de Georges Dionne, 3ème edition, Springer Cham, 2025
This chapter surveys the economic literature on prevention and precaution. Prevention refers to costly activities that mitigate risk. Prevention encompasses self-protection, an investment to reduce the probability of loss, and self-insurance, an investment to reduce the severity of loss. Precaution...
