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econ.EM2025★ 2 cited
Confidence intervals for intentionally biased estimators
David M. Kaplan, Xin Liu
We propose and study three confidence intervals (CIs) centered at an estimator that is intentionally biased to reduce mean squared error. The first CI simply uses an unbiased estim…
econ.EM2024★ 1 cited
A quantile-based nonadditive fixed effects model
Xin Liu
I propose a quantile-based nonadditive fixed effects panel model to study heterogeneous causal effects. Similar to standard fixed effects (FE) model, my model allows arbitrary depe…