sociology
Framing the Fringe: Dynamics of Ingroup and Outgroup Narratives in Fringe Telegram Channels
Telegram has become a key platform for fringe political and conspiratorial movements, offering minimal moderation and wide reach. We analyze how such communities construct rhetorical identities via in ...
WebSci '26: Proceedings of the 18th ACM Web Science Conference 2026, 2026
finance
Combination of traditional and parametric insurance: calibration method based on the optimization of a criterion adapted to heavy tail losses
In this paper, we address the problem of providing insurance protection against heavy-tailed losses for which the expected loss may not even be finite. The product we study combines traditional insura ...
Scandinavian Actuarial Journal, 2026
statistics
A Unifying View of Variational Generative Wasserstein Flows
Many modern generative models can be viewed as minimizing divergences between probability distributions, yet they rely on different algorithmic and geometric principles. Wasserstein gradient flows pro ...
ICML 2026, 2026
economics
Comptabilité distributionnelle : contexte, résultats, limites et enjeux
Distributional National Accounts (DINA) result from a reconciliation exercise of tax data, household surveys, and national accounts in order to construct income and wealth series that are fully consis ...
Revue Française d'économie, 2026
statistics
Sharp Optimal Algorithm for Derivative-Free Stochastic Convex Optimization in One Dimension
Stochastic convex optimization is a classical problem with well-understood guarantees under first-order feedback. In contrast, for zero-order optimization with noisy function evaluations, a logarithmi ...
Arxiv, Optimization and Control, 2026
statistics
Gradient-free stochastic optimization of derivatives under strong convexity
We consider the problem of minimizing the k-th order partial derivative f=∂kjg of an unknown function g along a fixed coordinate direction j, based on noisy queries of g. Assuming that g has Hölder ...
Arxiv, Statistics Theory, 2026
economics
Innovation and startup acquisition
In this paper, we consider two platforms that compete for the development of a new product to integrate into their ecosystems. The new product can be developed either in-house by the platforms or by a ...
International Journal of Industrial Organization, 2026
economics
Measuring Sensitive Outcomes through Ballot-Bag Surveys
Prevailing methods for measuring sensitive outcomes confront researchers with an inherent bias-variance trade-off: direct questioning is prone to a sensitivity bias, while indirect methods such as lis ...
American Economic Review: Insights, 2026
sociology
From Bow to Brain: Reducing Educational Inequalities through Music Education? Evidence from a Quasi-Experiment on a Violin Program for Young, Disadvantaged Children
This study evaluates the effects of intensive music education on disadvantaged children in the northern suburbs of Paris, using a quasi-experimental design with entropy balancing. We focus on a four-y ...
Sociology of Education, 2026
finance
How to close the protection gap and increase resilience against climate change
This discussion paper examines Europe’s widening natural catastrophe protection gap – estimated at 50–75% of economic losses remaining uninsured – and sets out how it can be addressed through ...
AAE Sustainability and Climate Related Risks Working Group, 2026