“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.

“International Co-movements and Determinants of Public Debt.” (With Junsoo Lee, Vladimir Arcabic and Youngjin Yun.) Working Paper.

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

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