TY  - JOUR
A1  - Abadie, A.
A1  - Athey, S.
A1  - Imbens, G.W.
A1  - Wooldridge, J.M.
T1  - When should you adjust standard errors for clustering?
Y1  - 2023
DO  - 10.1093/qje/qjac038
VL  - 138
IS  - 1

ER  -