@article{Abadie2023,
author = {Abadie, A. and Athey, S. and Imbens, G.W. and Wooldridge, J.M.},
title= {When should you adjust standard errors for clustering?},
year = {2023},
doi = {10.1093/qje/qjac038},
volume = {138},
number = {1},
pages = {1--35},
}