Working Papers and Ongoing Projects

"Identification and Estimation of Causal Mediation Effects with Treatment Noncompliance." [Paper]

"A Multinomial Response Model for Varying Choice Sets, with Application to Partially Contested Multiparty Elections." [Paper]

"Identifying Mechanisms behind Policy Interventions via Causal Mediation Analysis" (with Luke Keele and Dustin Tingley). [Paper]

"Do Survey Experiments Capture Real-World Behavior? Evaluating the External Validity of Conjoint and Vignette Analysis" (with Jens Hainmueller and Dominik Hangartner).

"Design, Identification, and Sensitivity Analysis for Patient Preference Trials" (with Dean Knox, Matthew Baum and Adam Berinsky). [Paper]

 

Refereed Journal Publications

"Causal Inference in Conjoint Analysis: Understanding Multi-Dimensional Choices via Stated Preference Experiments" (2014), Political Analysis, 22(1), 1-30 (with Jens Hainmueller and Dan Hopkins). Lead article. Winner of the Editors' Choice award. [Paper] [Replication Files] [Sample Scripts] [Companion Software]

"mediation: R Package for Causal Mediation Analysis" (forthcoming), Journal of Statistical Software (with Dustin Tingley, Kentaro Hirose, Luke Keele and Kosuke Imai). [Paper] [Software]

"Identification and Sensitivity Analysis for Multiple Causal Mechanisms: Revisiting Evidence from Framing Experiments" (2013), Political Analysis, 21(2), 141-171 (with Kosuke Imai). Lead article. [Paper] [Replication Files]

"Experimental Designs for Identifying Causal Mechanisms" (2013), Journal of the Royal Statistical Society, Series A, 176(1), 5--51 (with Kosuke Imai and Dustin Tingley). Lead article with discussions. Read before the Royal Statistical Society in 2012. [Paper] [Replication Files]

"Understanding the Past: Statistical Analysis of Causal Attribution" (2012), American Journal of Political Science, 56(1), 237-256. [Paper] [Replication Files]

"Unpacking the Black Box of Causality: Learning about Causal Mechanisms from Experimental and Observational Studies" (2011), American Political Science Review, 105(4), 765-789 (with Kosuke Imai, Luke Keele and Dustin Tingley). [Paper] [Replication Files]

"Causal Inference with Differential Measurement Error: Nonparametric Identification and Sensitivity Analysis" (2010), American Journal of Political Science, 54(2), 543-560 (with Kosuke Imai). [Paper] [Replication Files]

"Identification, Inference, and Sensitivity Analysis for Causal Mediation Effects" (2010), Statistical Science, 25(1), 51-71 (with Kosuke Imai and Luke Keele). [Paper] [Replication Files]

 

Invited Contributions

"Commentary: Practical Implications of Theoretical Results for Causal Mediation Analysis" (2014), Psychological Methods (with Kosuke Imai, Luke Keele and Dustin Tingley). Forthcoming. [Paper]

"Reply to Discussions of 'Experimental Designs for Identifying Causal Mechanisms'" (2013), Journal of the Royal Statistical Society, Series A, 176(1), 46-49 (with Kosuke Imai and Dustin Tingley). [Paper]

"Causal Mediation Analysis Using R" (2010), in Advances in Social Science Research Using R by H.D. Vinod (ed.), New York: Springer, pp.129-154 (with Kosuke Imai, Luke Keele and Dustin Tingley). [Paper]

 

Software

"Conjoint Survey Design Tool" (with Anton Strezhnev, Jens Hainmueller and Dan Hopkins). [Download]

"mediation: R Package for Causal Mediation Analysis" (with Luke Keele, Dustin Tingley and Kosuke Imai). [CRAN]