“Military spending and the fear hypothesis.” (With B. Walsh and J. Lee.) Defense and Peace Economics. Forthcoming.

“International Co-movements and Determinants of Public Debt.” (With Junsoo Lee, Vladimir Arcabic and Youngjin Yun.) Economic Inquiry. April 2024.

“Comovements in Military Spending: Evidence from a Dynamic Factor Model with Time-Varying Stochastic Volatility.” (With Junsoo Lee and James Payne.) Defense and Peace Economics. 2023.

“Co-movements in Sovereign CDS.” (With Junsoo Lee and Vladimir Arcabic.) Working Paper.

“Panel ADL Co-integration Model and its Application to the Defense-Growth Nexus.” Working Paper.

“A Dynamic Factor Model of International Tourist Arrivals.” (With J. Payne, B. Markel, D. Dragičević, and J. Lee.) Working Paper.

“Global Fertility Rates: Transition Dynamics, Co-movements, and Determinants.” (With Won Sung, James Payne, Bennett Ogle, and Junsoo Lee.) Working Paper.