This work was supported in part by the National Science Foundation through grants SES-1357561 and SES-1459931.
https://nppackages.github.io/replication
- R and Stata replication: nprobust
- Calonico, Cattaneo and Farrell (2019): nprobust: Nonparametric Kernel-Based Estimation and Robust Bias-Corrected Inference.
Journal of Statistical Software 91(8): 1-33.