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Lei Fan, Catherine Molho, Florian van Leeuwen, Hirokata Imada, and Joshua Tybur

2025, p. 1–15

Anger and disgust often underlie responses to social transgressions, yet their links to aggressive punishments have been primarily studied in Western populations. Across two studies sampling from Japan, we tested a socio-functional account of these two other-condemning moral emotions, which...

Jean Tirole, and Roland Bénabou

2025, 59 pages, forthcoming

We analyze how private decisions and optimal public policies are shaped by personal and societal preferences, material incentives, and social norms. We show how honor and stigma interact with incentives and derive optimal taxation. We then analyze the expressive role of law as embodying society’s...

Olivier Faugeras

vol. 54, 2025, p. 122–160

Motivated by finding a way to deal with Compositional Data (CoDa) with or without zeroes in a unified way, we build upon the previous projective geometry viewpoint of Faugeras (2023) and use the tools provided by the exterior product and Grassmann’s algebra. These allow to represent higher...

Sai Bravo-Melgarejo, and Carole Haritchabalet

2025, forthcoming

A labeling system for green gases, such as green hydrogen and bio-methane, could enable retailers to leverage consumers’ willingness to pay for environmental quality while promoting the adoption of these cleaner alternatives. However, the significant cost gap between green and conventional gases...

Fabrice Collard, Frédéric Boissay, Jordi Galì, and Cristina Manea

2025, forthcoming

Catherine Molho, and Linh Vu

vol. 66, n. 102107, December 2025

Altruistic decisions are central to civic engagement and humanitarian efforts. However, altruistic behavior is often context-dependent rather than consistent—the same individuals who act generously in one situation may behave selfishly in another. Here, we review research on this phenomenon, which...

Doh-Shin Jeon, Jay Pil Choi, and Michael Whinston

2025, forthcoming

We develop a leverage theory of tying in markets with network effects. When a monopolist in one market cannot perfectly extract surplus from consumers, tying can be a mechanism through which unexploited consumer surplus is used as a demand-side leverage to create a “quasi-installed base” advantage...

Randall C. Thompson, Benjamin C. Trumble, Daniel Cummings, Angela Neunuebel, Paul L. Hooper, Samuel Wann, Adel H. Allam, Frances Neunuebel, Benjamin Gans, Samantha I. King, Edmond Seabright, Caleb Finch, Margaret Gatz, Kenneth Buetow, Michael I. Miyamoto, Guido Lombardi, Linda Sutherland, James Sutherland, Christopher Ward, Madeleine J. Lee, Ashna Mahadev, Daniel Eid Rodriguez, David E. Michalik, Chris Rowan, Tianyu Cao, Jonathan Stieglitz, Cameron M. Quick, Gregory Thomas, Jagat Narula, Domini Dey, Michael Gurven, and Hillard Kaplan

n. 101271, 2025

Jean Tirole

Subramanian Rangan (ed.), Oxford University Press, part I, chapter 2, 2025, pp. 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, and Gökçe Gökkoca

2025, forthcoming

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...