Research
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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,695 papers · 148 categories

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0111 · Apr 202019922001200920172026
2 results for “O-learner”
Orthogonal Learner for Estimating Heterogeneous Long-Term Treatment Effectscs.LG

New LT-O-learners improve HLTE estimation with low overlap.

problem Challenges in estimating heterogeneous long-term treatment effects due to limited overlap.
method Introduces LT-O-learners that use custom overlap weights to downweight low-overlap samples.
result LT-O-learners provide robust HLTE estimates with lower variance in low-overlap regimes.
Heterogeneous Treatment EffectsLong-Term EffectsOrthogonal LearnersLow OverlapNeyman Orthogonality
2026-04-01abs ↗pdf ↗
A Comparison of Methods for Treatment Assignment with an Application to Playlist Generationecon.EM

Study compares methods for treatment assignment, finding A-learner best for playlist generation.

problem Treatment assignment in various applications.
method Three classes of algorithms: O-learner, E-learner, A-learner.
result Optimizing for outcomes or causal effects does not lead to optimal treatment assignments.
treatment assignmentplaylist generationmetalearnersA-learnerO-learner
2020-04-24abs ↗pdf ↗