Matrix completion: Part 1

Susan Athey, Mohsen Bayati, Nikolay Doudchenky, Guido Imbens and Khashayar Khosravi published a paper in 2021 entitled “Matrix Completion Methods for Causal Panel Data Methods” in the Journal of American Statistical Association. It has not gotten nearly the attention of the robust diff-in-diff estimators used for staggered adoption that started popping…