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Martin Weidner

Associate Member, Department of Economics · University of Oxford

Associate Member of the Department of Economics at the University of Oxford, affiliated with Nuffield College. His listed research interests include interactive fixed effects.

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Published Journal of Political Economy Online 2 Apr 2026 Published Aug 2026

Robust Estimation and Inference in Panels with Interactive Fixed Effects

Timothy B. Armstrong · Martin Weidner · Andrei Zeleneev

This paper develops new estimation and inference tools for the coefficient on a covariate of interest in large panel regressions whose unobserved heterogeneity has an interactive fixed effects …

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