Search Results for author: Whitney Newey

Found 10 papers, 2 papers with code

Source Condition Double Robust Inference on Functionals of Inverse Problems

no code implementations25 Jul 2023 Andrew Bennett, Nathan Kallus, Xiaojie Mao, Whitney Newey, Vasilis Syrgkanis, Masatoshi Uehara

We consider estimation of parameters defined as linear functionals of solutions to linear inverse problems.

Inference on Strongly Identified Functionals of Weakly Identified Functions

no code implementations17 Aug 2022 Andrew Bennett, Nathan Kallus, Xiaojie Mao, Whitney Newey, Vasilis Syrgkanis, Masatoshi Uehara

In a variety of applications, including nonparametric instrumental variable (NPIV) analysis, proximal causal inference under unmeasured confounding, and missing-not-at-random data with shadow variables, we are interested in inference on a continuous linear functional (e. g., average causal effects) of nuisance function (e. g., NPIV regression) defined by conditional moment restrictions.

Causal Inference regression +1

Long Story Short: Omitted Variable Bias in Causal Machine Learning

1 code implementation26 Dec 2021 Victor Chernozhukov, Carlos Cinelli, Whitney Newey, Amit Sharma, Vasilis Syrgkanis

Therefore, simple plausibility judgments on the maximum explanatory power of omitted variables (in explaining treatment and outcome variation) are sufficient to place overall bounds on the size of the bias.

BIG-bench Machine Learning Causal Inference

Adversarial Estimation of Riesz Representers

no code implementations30 Dec 2020 Victor Chernozhukov, Whitney Newey, Rahul Singh, Vasilis Syrgkanis

Furthermore, we use critical radius theory -- in place of Donsker theory -- to prove asymptotic normality without sample splitting, uncovering a ``complexity-rate robustness'' condition.

De-Biased Machine Learning of Global and Local Parameters Using Regularized Riesz Representers

no code implementations23 Feb 2018 Victor Chernozhukov, Whitney Newey, Rahul Singh

To achieve this property, we include the Riesz representer for the functional as an additional nuisance parameter.

BIG-bench Machine Learning

Double/Debiased/Neyman Machine Learning of Treatment Effects

no code implementations30 Jan 2017 Victor Chernozhukov, Denis Chetverikov, Mert Demirer, Esther Duflo, Christian Hansen, Whitney Newey

A more general discussion and references to the existing literature are available in Chernozhukov, Chetverikov, Demirer, Duflo, Hansen, and Newey (2016).

BIG-bench Machine Learning valid

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