![Papers and Proceedings of the One Hundred Twentieth Annual Meeting of the American Economic Association || Estimating Average Treatment Effects with Continuous and Discrete Covariates: The Case of Swan-Ganz Catheterization]()
Papers and Proceedings of the One Hundred Twentieth Annual Meeting of the American Economic Association || Estimating Average Treatment Effects with Continuous and Discrete Covariates: The Case of Swan-Ganz CatheterizationQi Li, Jeffrey S. Racine and Jeffrey M. Wooldridge · The American Economic Review · 2008