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? External Validation of Conjoint and Vignette Analyses with a Natural Experiment" (with Jens Hainmueller and Dominik Hangartner). [Paper] [Supporting Information]

"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" (2014), Journal of Statistical Software, 59(5), 1--38 (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]