Recherche avancée

Iyad Rahwan, Azim Shariff et Jean-François Bonnefon

vol. 644, août 2025, p. 51–58

Volker Nocke et Andrew Rhodes

n° 25-1660, août 2025

We develop a framework to study horizontal mergers when the parties can propose remedies to an antitrust authority. Remedies are modeled as asset divestitures, which make the firm receiving the assets more efficient at the expense of the merged firm. We consider both the case where the merger...

Paul Seabright et Sergey Gavrilets

vol. 122, n° 32, août 2025

People and cultures differ in the extent to which they view the world as a zero-sum environment (where one person’s gain is another’s loss) or a positive-sum environment (where certain actions can benefit everyone). These beliefs shape individuals’ willingness to work, invest, collaborate, or show...

Laurence Daures-Lescouret, Sophie Moinas et Selma BOUSSETTA

août 2025, p. 1–24

We examine traders’ order submission strategies during the Euronext preopen,which uses price-time priorities to arrange opening trades via a call auction. Preopeningorder submissions follow a J-shape pattern. Sophisticated proprietary traders arrive late,consistent with information leakage concerns...

Catherine Molho, Ivan Soraperra, Jonathan Schulz et Shaul Shalvi

août 2025

Impersonal prosociality is considered a cornerstone of thriving civic societies and well-functioning institutions. Previous research has documented cross-societal variation in prosociality using monetary allocation tasks such as dictator games. Here we examined whether different societies may rely...

Jacob E. Aronoff, Carrie L. Jenkins, Angela Garcia, Stephanie Koebele, Suhail Ghafoor, Kate L. Woolard, Mia Charifson, Ivan Maldonado Suarez, Daniel Eid Rodriguez, Bret A. Beheim, Daniel Cummings, Paul L. Hooper, Thomas K. Kraft, Kenneth Buetow, Caleb Finch, Maximilien Franck, Alan A. Cohen, Jonathan Stieglitz, Michael Gurven, Hillard Kaplan et Benjamin C. Trumble

vol. 292, n° 2053, août 2025

Romain Espinosa et Nicolas Treich

août 2025

In this paper, we empirically investigate fairness judgments about animals. We design a survey that addresses major challenges associated with the inclusion of animal welfare in public decisions. Collecting data from a representative sample of the French population (N=1,526), we document the views...

Margot Dazey et Victor Gay

vol. 58, n° 9, août 2025, p. 2000–2048

How is support for right-wing populist parties affected by exposure to Muslim visibility? Using an original database on French mosques, this article analyzes the relationship between the presence of mosques and support for the Front National at the polling station level in the late 2000s. It finds...

Shota Ichihashi et Alex Smolin

juillet 2025, p. 667

We study how recommendation algorithms affect trade and welfare in markets characterized by algorithmic consumption, such as e-commerce platforms and AI assistants. Our analysis begins with a model of bilateral trade in which a single product is exchanged between a buyer and a seller under...

Dirk Bergemann, Alessandro Bonatti et Alex Smolin

juillet 2025, p. 786

We develop an economic framework to analyze the optimal pricing and product design of Large Language Models (LLM). Our framework captures several key features of LLMs: variable operational costs of processing input and output tokens; the ability to customize models through fine-tuning; and high-...