Estimating causal effects: considering three alternatives to difference-in-differences estimation
Crossref DOI link: https://doi.org/10.1007/s10742-016-0146-8
Published Online: 2016-05-07
Published Print: 2016-06
Update policy: https://doi.org/10.1007/springer_crossmark_policy
O’Neill, Stephen
Kreif, Noémi
Grieve, Richard
Sutton, Matthew
Sekhon, Jasjeet S.
Funding for this research was provided by:
National Institute for Health Research (SRF-2013-06-016)
Medical Research Council (MR/L012332/1)
License valid from 2016-05-07