Inference With Difference-in-Differences With a Small Number of Groups: A Review, Simulation Study, and Empirical Application Using SHARE Data.

Mary Beth Landrum

Medical Care

January 1, 2018

2018

Rokicki S, Cohen J, Fink G, Salomon JA, Landrum MB.

https://www.ncbi.nlm.nih.gov/pubmed/29112050