@article {515771,
	title = {Propensity-Score-Based Methods versus MTE-Based Methods in Causal Inference: Identification, Estimation, and Application.},
	journal = {Sociological Methods \& Research},
	volume = {45},
	number = {1},
	year = {2016},
	pages = {3-40},
	url = {http://journals.sagepub.com/doi/abs/10.1177/0049124114555199},
	author = {Xiang Zhou and Yu Xie}
}
