대표연구
"Estimation of the relative efficiency of 20 OECD countries for mitigation of greenhouse gases," (with Tae-young Kim) Applied Economics Letters, 29(5), pp. 380-383, 2022
"Which country uses public social expenditures efficiently among OECD countries?," (with Tae-young Kim) Applied Economics Letters, 24(10), pp. 677-680, 2017
"Does Skill Mismatches create a wage penalty? Alternative Evidence from Korea," (with Seung-jun Park) Asian Economic Journal, 30(3), pp. 295-316, 2016
"The income penalty of vertical and horizontal education-job mismatches in the Korean youth labor market: a quantile regression approach," (with S.C. Ahn and Ji-hye Kim) Hitotsubashi Journal of Economics, 57(1), pp. 67-90, 2016
"Does sample selection bias affect the effect of family background on the returns to schooling?: Evidence form Korea," Applied Economics, 43(8), pp. 963-972, 2011
"Home production function & the productivity effect of air pollution," Applied Economic Letters, 14(5), pp. 385-387, 2007
"The Effect of IT Job-training on Employment and Wage Premium: Evidence from Korea Panel Data," Developing Economics, 41(4), pp. 461-483, 2003
"Is There a Crowding-out Effect Between School Expenditure & Mother's Childcare Time?," Economics of Education Review, 20(1), pp. 71-80, 2001
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