Book
Why Nonnuclear States Fight Nuclear Armed Opponents
Cornell University Press (2019)
Click here for replication code and here for the data used in the book. Click here for data on conflict over time in nuclear monopoly.
Refereed Journal Articles

Does Social Science Inform Foreign Policy?
Evidence from a Survey of US National Security, Trade, and Development Officials
With Michael C. Desch, Eric Parajon, Susan Peterson, Ryan Powers, and Michael J. Tierney
International Studies Quarterly, Vol. 66, No. 1 (March 2022)
Narrowing the Academic-Policy Divide
Will New Media Bridge the Gap?
With Michael C. Desch, Ana Petrova, and Steven L. Wilson
Political Science Quarterly, Vol. 136, No. 4 (Winter 2021-22)
The online appendix is available here.

U.S. Expert Views on Nuclear Deterrence, Coercion, and Non-Use Norms
Foreign Policy Analysis, Vol. 17, No. 2 (April 2021)
The online appendix is available here, raw numbers for figures here, data log file is available here, replication code is available here, and data here.
The Historical Rarity of Foreign-Deployed Nuclear Weapon Crises
Security Studies, Vol. 27, No. 1 (January-March 2018)
Click here for the online appendix and here for replication code for the appendix tables.
International Relations Theory and U.S. Grand Strategy
With Jonathan N. Markowitz and Robert J. Reardon
Texas National Security Review, Vol. 2, No. 1 (November 2018)
Do US Troop Withdrawals Cause Instability?
Evidence from Two Exogenous Shocks on the Korean Peninsula
With Jonathan N. Markowitz and Robert J. Reardon
Journal of Global Security Studies, Vol. 3, No. 1 (January 2018), 72-92
Click here for the online appendix and here for the data.
The Role of Nuclear Non-Use Norms in Confrontations between Nuclear and Non-Nuclear Opponents
Security Studies, Vol. 24, No. 4 (October-December 2015): 563-596.
Read the International Security Studies Forum article review here.
What Do Policymakers Want From Us?
Results of a Survey of Current and Former National Security Decision Makers
With Michael C. Desch
International Studies Quarterly Vol. 58, No. 2 (June 2014): 227-246.
Read additional discussions here, here, and the International Studies Quarterly symposium here.
U.S. Policy during the Early Cold War
International Security, Vol. 36, No. 4 (Spring 2012): 151-188
Read the International Security Studies Forum article review here.
Book Chapters
Selected Commentary
The Icebreaker Gap Doesn't Mean America is Losing in the Arctic
War on the Rocks, November 28, 2019


Working Papers
The Fragility of the Nuclear Peace