Search Results for author: Isaiah Andrews

Found 5 papers, 1 papers with code

Optimal Conditional Inference in Adaptive Experiments

no code implementations21 Sep 2023 Jiafeng Chen, Isaiah Andrews

We study batched bandit experiments and consider the problem of inference conditional on the realized stopping time, assignment probabilities, and target parameter, where all of these may be chosen adaptively using information up to the last batch of the experiment.

GMM is Inadmissible Under Weak Identification

no code implementations26 Apr 2022 Isaiah Andrews, Anna Mikusheva

We consider estimation in moment condition models and show that under any bound on identification strength, asymptotically admissible (i. e. undominated) estimators in a wide class of estimation problems must be uniformly continuous in the sample moment function.

The Transfer Performance of Economic Models

no code implementations10 Feb 2022 Isaiah Andrews, Drew Fudenberg, Lihua Lei, Annie Liang, Chaofeng Wu

Economists often estimate models using data from a particular domain, e. g. estimating risk preferences in a particular subject pool or for a specific class of lotteries.

Optimal Decision Rules for Weak GMM

no code implementations8 Jul 2020 Isaiah Andrews, Anna Mikusheva

This paper studies optimal decision rules, including estimators and tests, for weakly identified GMM models.

Inference for Linear Conditional Moment Inequalities

1 code implementation22 Sep 2019 Isaiah Andrews, Jonathan Roth, Ariel Pakes

We show that moment inequalities in a wide variety of economic applications have a particular linear conditional structure.

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