"Poorly Measured Confounders are More Useful on the Left Than on the Right", with Jörn-Steffen Pischke and Hannes Schwandt, NBER Working Paper #23232.
"Local Polynomial Order in Regression Discontinuity Designs", with David Card, David Lee and Andrea Weber.
"The Devil is in the Tails: Regression Discontinuity Design with Measurement Error in the Assignment Variable", with Yi Shen, forthcoming, Advances in Econometrics, volume 38 (Regression Discontinuity Designs: Theory and Applications) edited by Matias D. Cattaneo and Juan Carlos Escanciano. Working paper version: Princeton University Industrial Relations Section Working Paper #606 and IZA Discussion Paper #10320.
"Regression Kink Design: Theory and Practice", with David Card, David S. Lee and Andrea Weber, forthcoming, Advances in Econometrics, volume 38 (Regression Discontinuity Designs: Theory and Applications) edited by Matias D. Cattaneo and Juan Carlos Escanciano. Working paper version: NBER Working Paper #22781.
"Eligibility Recertification and Dynamic Opting-in Incentives in Income-tested Social Programs: Evidence from Medicaid/CHIP", forthcoming, American Economic Journal: Economic Policy. Working paper version: Upjohn Institute Working Paper 15-234.
"Inference on Causal Effects in a Generalized Regression Kink Design", with David Card, David S. Lee and Andrea Weber, Econometrica, 86(6): 2453-2483, Nov 2015. Working paper versions: Upjohn Institute Working Paper 15-218 and IZA Discussion Paper #8757. Previous versions: Nonlinear Policy Rules and the Identification and Estimation of Causal Effects in a Generalized Regression Kink Design, NBER Working Paper #18564; Quasi-Experimental Identification and Estimation in the Regression Kink Design, Princeton University Industrial Relations Section Working Paper #553.
"The Effect of Unemployment Benefits on the Duration of Unemployment Insurance Receipt: New Evidence from a Regression Kink Design in Missouri, 2013-2013", with David Card, Andrew Johnston, Pauline Leung and Alex Mas, American Economic Review: Papers & Proceedings, 105(5): 126-130, May 2015. Working paper version: NBER Working Paper #20869.
"Arecibo Multi-Epoch HI Absorption Measurements Against Pulsars: Tiny-Scale Atomic Structure", with S. Stanimirovic, J. M. Weisberg, K. Tuttle, J. T. Green, The Astrophysical Journal, 720:415-434, Sept 2010.
"Health Care: Time for a Check Up", (Not Peer-reviewed) with Gabriel Wildau and Arthur Kroeber, China Economic Quarterly, Q3 2007.