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stat.ME2026
Double Descent, Ensemble Emergence, and Large Model Averaging in High-Dimensional Multimodel Prediction
Ke Chen, Dandan Jiang, Xinyu Zhang
This paper investigates the predictive performance of high-dimensional multimodel prediction, where the number of regressors is comparable to the sample size. Leveraging tools from…
stat.ME2026
Synthetic Control Method with Mixed Frequency Data
Lu Zhang, Shijin Gong, Xinyu Zhang
Mixed-frequency data, where variables are observed at different temporal resolutions, commonly occur in economic and financial studies. Classical synthetic control methods (SCM) ar…
stat.ME2026
Prediction-Powered Linear Regression: A Balance Between Interpretation and Prediction
Fuzhi Xu, Xingyu Yan, Xinyu Zhang
Unlabeled data are increasingly prevalent in contemporary economic studies, yet their effective use for improving prediction remains challenging because the outcomes are often cost…