Zhu, Yeying; Coffman, Donna L.; Ghosh, Debashis - In: Journal of Causal Inference 3 (2015) 1, pp. 25-40
Abstract In this article, we study the causal inference problem with a continuous treatment variable using propensity score-based methods. For a continuous treatment, the generalized propensity score is defined as the conditional density of the treatment-level given covariates (confounders). The...