- Economic analysis of textile and apparel industries
- International trade
- Time series analysis
- Difference in textile and clothing industries internationally
- Industry competitiveness with respect to government policy
- Lee, J. Y. and Karpova, E. (in review). U.S. and Japanese apparel industry demand conditions. Journal of Fashion Marketing and Management.
- Karpova, E., Lee, J. Y., Jacobs, B. and Andrew, A. (2008). Apparel Students Going Global: Virtual Multinational Team-Based Collaborative Project. Proceedings of the Annual Meeting of the International Textile and Apparel Association, USA, 65.
- Lee, J. Y. and Karpova, E. (2007). Cross-National Analysis of Apparel Demand in the United States and Japan. Proceedings of the Annual Meeting of the International Textile and Apparel Association, USA, 64.