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Stéphane Straub
Toulouse, 2026
Adam Feher
Jean-Christophe Poudou
Juan Esteban Carranza, Maria Marta Ferreyra et Ana Gazmuri
vol. 20, n° 2, 2026, à paraître
Christian Hellwig et Nicolas Werquin
2026, à paraître
Alexandre de Cornière et Greg Taylor
Cyberattacks are a pervasive threat in the digital economy, with the potential to harm firms and their customers. Larger firms constitute more valuable targets to hackers, thereby creating negative network effects. These can be mitigated by investments in security, which play both a deterrent and a...
James K. Hammitt
n° 26-1707, 2026
Weighted benefit-cost analysis is receiving increased attention as a method to incorporate concerns about the distribution of policy effects across individuals. Weights are intended to reflect interpersonal differences in the effect of income on wellbeing (the marginal utility of income) and the...
Céline Giner, Céline Nauges et Katherine Hassett
Matti Liski et François Salanié
Jérôme Bolte, Tam Le, Eric Moulines et Edouard Pauwels
Motivated by the extensive application of approximate gradients in machine learning and optimization, we investigate inexact subgradient methods subject to persistent additive errors. Within a nonconvex semialgebraic framework, assuming boundedness or coercivity, we establish that the method yields...
