【Education】
Ph.D., Economics, North Carolina State University, 2005
M.A., Economics, Duke University, 1998
B.A., Economics, Korea University, 1990

【Professional Experience】
SGR Executive Vice President & Director, Business Environment Research Department, 2023~
SGR Vice President & Director, Business Environment Research Department, 2022~
SERI Vice President & Director, Business Environment Research Department, 2018~2021
SERI Research Fellow, 2007-2017
Post Doc./Instructor at NCSU, 2005-2007
T.A./R.A at NCSU, 1999-2005

【Selected Publications】
“Information in generalized method of moments estimation and entropy-based momention” (with Alastair R. Hall, Atsushi Inoue, Kalidas Jana), Journal of Econometrics, 138 (2007), 488-512
“Entropy-based momention in the presence of weak identification” (with Alastair R. Hall and Atsushi Inoue), Econometric Reviews, 26 (2008), 398-427
“The role of farmer\'s risk aversion for contract choice in the US hog industry” (with Xiaoyong Zheng and Tomislav Vukina), Journal of Agricultrual & Food Industrial Organization, 6, (2008)
“Complementarity among Alternative Procurement Arrangements in the Pork Packing Industry” (with Xiaoyong Zheng and Tomislav Vukina), Journal of Agricultrual & Food Industrial Organization, 7, (2009)