Research

• [1] Haoyang Yu, Ke Zhu*, and Hanzhong Liu (2025). Sharp variance estimator and causal bootstrap in stratified randomized experiments. Statistics in Medicine, 44: e70139. [pdf] [arXiv] [Package]
• [2] Haoyang Yu, Wei Ma, and Hanzhong Liu* (2025+). Minimax optimal design with spillover and carryover effects. Submitted. [Poster]
• [3] Xin Lu, Wanjia Fu, Hongzi Li, Haoyang Yu, Honghao Zhang, Ke Zhu* and Hanzhong Liu (2025+). Design-based Theory for Causal Inference (in Chinese). Submitted.