This is a "connection" page, showing publications co-authored by Arlene Ash and Ning Zhang.
Zhang B, Liu W, Zhang N, Ash AS, Allison JJ. A collection of marginalized two-part random-effects models for analyzing medical expenditure panel data: Impact of the New Cooperative Medical Scheme on healthcare expenditures in China. Stat Methods Med Res. 2019 08; 28(8):2494-2523.