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math.ST2025
Improved Concentration for Mean Estimators via Shrinkage
Antônio Catão, Lucas Resende, Paulo Orenstein
We study a class of robust mean estimators obtained by adaptively shrinking the weights of sample points far from a base estimator . Given a data-dependent s…
econ.EM2025
Statistical Inference in Large Multi-way Networks
Lucas Resende, Guillaume Lecué, Lionel Wilner +1
We propose the Polyads estimator, a new method to estimate structural parameters in weighted multi-way networks while controlling for rich, arbitrary structures of fixed effects. T…