Optimal Multilevel Matching in Clustered Observational Studies: A Case Study of the School Voucher System in Chile

José R. Zubizarreta

Journal of the American Statistical Association

October 7, 2017

2017

Zubizarreta JR, Keele L.

http://amstat.tandfonline.com/doi/abs/10.1080/01621459.2016.1240683#.WeDl2ltSxaQ