no code implementations • 18 Feb 2024 • Alberto Abadie, Anish Agarwal, Raaz Dwivedi, Abhin Shah
This article introduces a new estimator of average treatment effects under unobserved confounding in modern data-rich environments featuring large numbers of units and outcomes.
no code implementations • 21 Jun 2023 • Alberto Abadie, Anish Agarwal, Guido Imbens, Siwei Jia, James McQueen, Serguei Stepaniants
Business/policy decisions are often based on evidence from randomized experiments and observational studies.
no code implementations • 6 Jun 2017 • Alberto Abadie, Susan Athey, Guido W. Imbens, Jeffrey M. Wooldridge
We derive standard errors that account for design-based uncertainty instead of, or in addition to, sampling-based uncertainty.
Statistics Theory Econometrics Statistics Theory
no code implementations • 31 Mar 2017 • Alberto Abadie, Maximilian Kasy
To address (ii), we show that data-driven choices of regularization parameters, based on Stein's unbiased risk estimate or on cross-validation, yield estimators with risk uniformly close to the risk attained under the optimal (unfeasible) choice of regularization parameters.
1 code implementation • Journal of the American Statistical Association 2010 • Alberto Abadie, Alexis Diamond, and Jens Hainmueller
Building on an idea in Abadie and Gardeazabal (2003), this article investigates the application of synthetic control methods to comparative case studies.