응용 시계열 계량경제학(Applied Time Series Econometrics), 재정정책, 거시경제모형, 정부부문 생산성, 장기재정전망
– Ph.D Thesis
Mean Reversion in Macroeconomic and Financial Data, 2004. 5, Rice University
(Dissertation Committee: Professor Mahmoud A. El-Gamal, Joon Y. Park, Kathy Ensor)
– Published papers
How to measure a spillover effect of public capital stock: a spatial stochastic frontier model, Advances in Econometrics (AIE), Vol. 37, pp.259-294, 2016. (with Jaepil Han and Robin Sickles)
Fiscal Spending and Economic Growth, Journal of Economic Development, Vol. 40, No.4, pp. 91-105, 2015.
Measuring the Speed of Convergence of Stock Prices: A Nonparametric and Nonlinear Approach, Economic Modelling 51, pp.227-241, 2015 (with Hyeong-Woo Kim) (SSCI)
Spillover Effects of Public Capital Stock using Spatial Frontier Analyses: A First Look at the Data (공저), Productivity and Efficiency Analysis: Proceedings from the 2014 North American Productivity Workshop, W. Greene, R.Sickles, L.Khalaf, M.Veal, and M. Voia (Eds.), New York: Springer, 2015.
A nonparametric study of real exchange rate persistence over a century, International Review of Economics and Finance, 37, March, pp. 206-418, 2015 (with Hyeong-Woo Kim) (SSCI)
Do Private Tutoring Expenditures Raise Academic Performance? Evidence from Middle School Students in South Korea, Asian Economic Journal, 27, No.1, pp.59-83, 2013 (with Changhui Kang) (SSCI)
Non-stationarity and Stochastic Stability of Relative Income Clubs, Review of Income and Wealth, 59, No.4, pp.756-775, 2013 (with Mahmoud A. El-Gamal) (SSCI)
Issues with a chained-type price index: An analysis with the producer price index, Journal of Economic Development, Vol. 36, No.3, 2011. (with Cheolbum Park)
Short memory and the PPP hypothesis (with Mahmoud A. El-Gamal), Journal of Economic Dynamics and Control, Vol.30(3), pp. 361-391, 2006. (SSCI)