Many social events and policies generate spillover effects in both time and space. Their occurrence influences not only the outcomes of...

This paper is coauthored with Han Zhang at The Hong Kong Science and Technology University and Mengyang Zhao at University of...

This paper is coauthored with William Godel and Evgenii Nitikin from New York Universy. Voters rely, at least in part, on politicians to...

This paper is collaborated with Yiqing Xu at Stanford and Licheng Liu at MIT. This paper introduces a unified framework of counterfactual...

This paper is collaborated with Peter Aronow and Cyrus Samii. We consider design-based causal inference in settings where randomized...