Dr. Hwang's teaches courses on China and population problems. His recent publications include: Xi, J. and S.S. Hwang. Forthcoming. “Relocation Stress, Coping, and Sense of Control among Resettlers Resulting from China’s Three Gorges Dam Project.”  Social Indicators Research.Hwang, S.S., Y. Cao, and J. Xi. 2011. “The Short-Term Impact of Involuntary Migration in China's Three Gorges: A Prospective Study.” Social Indicators Research. 101: 73-92. Xi, J. and S.S. Hwang. 2011. “Unmet Expectation and Depression among the Three Gorges Project Re-settlers.” Social Science Research 40:245-56.