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Publications

statistics

Contextual Continuum Bandits: Static Versus Dynamic Regret

We study the contextual continuum bandits problem, where the learner sequentially receives a side information vector and has to choose an action in a convex set, minimizing a function associated to th ...

Arya Akhavan, Karim Lounici, Massimiliano Pontil, Alexandre B. Tsybakov

arXiv:2406.05714v1 [stat.ML], 2024

economics

Identifying European trade dependencies

We review and extend upon existing literature using product-level trade data to identify trade dependencies that expose the European Union to potential disruptions. While acknowledging the significanc ...

Mejean Isabelle, Rousseaux Pierre

Pisani-Ferry, J, B Weder Di Mauro and J Zettelmeyer (eds), Paris Report 2: Europe's Economic Security, CEPR Press, Paris & London., 2024

statistics

Generalized multi-view model: Adaptive density estimation under low-rank constraints

We study the problem of bivariate discrete or continuous probability density estimation under low-rank constraints.For discrete distributions, we assume that the two-dimensional array to estimate is a ...

Chhor Julien, Klopp Olga, Tsybakov Alexandre

Arxiv, Cornell University, 2024

economics

How COVID-19 affects voting for incumbents: Evidence from local elections in France

How do voters react to an ongoing natural threat? Do voters sanction or reward incumbents even when incumbents cannot be held accountable because an unforeseeable natural disaster is unfolding? We add ...

Morisi Davide, Clolery Heloise, Kon Kam King Guillaume, Schaub Max

PLoS ONE, 2024, 19 (3), pp.e0297432., 2024