Recherche avancée

Tiziana Assenza, Alberto Cardaci et D. Delli Gatti

vol. 20, n° 4, septembre 2025

Existing evidence suggests that individuals often misperceive the value of their wealth. We examine the existence, direction, and magnitude of these misperceptions through a laboratory experiment. Our findings indicate that variations in the leverage ratio (the ratio of liabilities to assets)...

Article

Antonio Musolesi, Giada Andrea Prete et Michel Simioni

septembre 2025

This paper examines the contribution of infrastructure to aggregate productivity. We address some complex and relevant issues, namely functional form, nonstationary variables and cross-sectional dependence. We adopt the CCE framework and consider both parametric and nonparametric specifications,...

Article

Pär Holmberg, Keith Ruddell et Bert Willems

n° 25-1669, septembre 2025

We characterize Nash equilibria in multi-product markets in which producers commit to vectors of supply functions contingent on all prices. The framework accommodates (dis)economies of scope in production, and goods may be substitutes or complements in demand. We show that equilibrium allocations...

Document de travail

Iyad Rahwan, Azim Shariff et Jean-François Bonnefon

n° 25-1665, septembre 2025

Predicting the social and behavioral impact of future technologies, before they are achieved, would allow us to guide their development and regulation before these im-pacts get entrenched. Traditionally, this prediction has relied on qualitative, narrative methods. Here we describe a method which...

Document de travail

Mengchen Dong, Jean-François Bonnefon et Iyad Rahwan

n° 25-1664, septembre 2025

Document de travail

Nils Köbis, Zoe Rahwan, Raluca Rilla, Bramantyo Ibrahim Supriyatno, Clara Bersch, Tamer Ajaj, Jean-François Bonnefon et Iyad Rahwan

septembre 2025

Although artificial intelligence enables productivity gains from delegating tasks to machines1, it may facilitate the delegation of unethical behaviour2. This risk is highly relevant amid the rapid rise of ‘agentic’ artificial intelligence systems3,4. Here we demonstrate this risk by having human...

Article

Nils Köbis, Zoe Rahwan, Raluca Rilla, Bramantyo Ibrahim Supriyatno, Clara Bersch, Tamer Ajaj, Jean-François Bonnefon et Iyad Rahwan

n° 25-1663, septembre 2025

Document de travail

Abdelaati Daouia, Gilles Stupfler et Antoine Usseglio-Carleve

vol. 14, n° 3, septembre 2025

The use of the Expected Shortfall as a solution for various deficiencies of quantiles has gained substantial traction in the field of risk assessment over the last 20 years. Existing approaches to its inference at extreme levels remain limited to distributions that are both heavy-tailed and have a...

Article

Sylvie Borau et Robert Mai

septembre 2025

The growing gender polarization in consumers’ pro-environmental engagement—with women more engaged than men— suggests that organizations should consider gender a key criterion when targeting their cause-related marketing and social advocacy campaigns for environmental causes. However, multilevel...

Article

Céline Giner, Céline Nauges et Katherine Hassett

n° 25-1662, septembre 2025

This analysis uses OECD survey data from over 8,000 households in nine countries. The paper analyses household profiles via latent class analysis on the basis of both diet composition, as well as purchasing habits for products that are generally perceived to be environmentally sustainable....

Document de travail