Research

PUBLICATIONS in REFEREED JOURNALS (in English)

"Recent Changes in the Nature of the Distribution Dynamics of the US County Incomes." with S. Park, Journal of Applied Econometrics, 38(7), November/December 2023, 1048-1067.

“Inflation and Wage Rigidity/Flexibility in the Short Run,” with S. Park, Economic Inquiry, 57(3), July 2019, 1675-1697.

“Two Birds with One Stone: Female Employment, Fertility, and Market Child Care” with J. Hwang and S. Park,  Journal of Economic Dynamics & Control, 90, May 2018, 171-193.

“The Extent and Nature of Downward Nominal Wage Flexibility: An Analysis of Longitudinal Worker/Establishment Data from Korea” with S. Park, Labour Economics, 48C, October 2017, 67-86.

“Measuring Social Tension from Income Class Segregation,” with Y. Lee, Journal of Business and Economic Statistics, 34(3), July 2016, 457-471.

“Wage Adjustment in the Great Recession and Other Downturns: Evidence from the United States and Great Britain," with M. Elsby and G. Solon, Journal of Labor Economics, 34(1), January 2016, s249-s291.

“Social Consequences of Economic Segregation," with Y. Lee and K Shin, Korean Economic Review, 29(1), June 2013, 189-210.

"Recent Trends in Men's Earnings Volatility: Evidence from the National Longitudinal Survey of Youth, 1985-2009" The B.E. Journal of Economic Analysis & Policy: 12(2) (Topics), October 2012, Article 2.

“Mobility-Based Explanation of Crime Incentives," with Y. Lee, Korean Economic Review, 28(1), Summer 2012, 51-67.

"Cyclicality of Real Wages in Korea," The B.E. Journal of Economic Analysis and Policy, 12(1) (Contributions), February 2012, Article 2.

“Trends in Men's Earnings Volatility: What Does the Panel Study of Income Dynamics Show?" with G. Solon, Journal of Public Economics, 95(7-8), August 2011, 973-982.

"Causes of Earnings Volatility and Risk Sharing," Korean Economic Review, 27(2), Winter 2011, 1-20.

"Are Initial Wage Losses of Inter-Sectoral Movers Compensated for by Their Subsequent Wage Gains?" with K. Shin and S. Park, Macroeconomic Dynamics, 14(4), September 2010, 501-526.

"How Do Families Smooth Household Heads' Earnings Volatility?" with K. Park, Journal of Economic Research, 15(1), May 2010, 79-97.

"Fluctuations of Unemployment and Inter- and Intra-Sectoral Reallocations of Workers," with K. Shin, International Economic Journal, 22(2), June 2008, 231-251.

“Why Are the Wages of Job Stayers Procyclical?" with K. Shin. Macroeconomic Dynamics, 12(1), February 2008, 1-21.

“New Evidence on Real Wage Cyclicality within Employer-Employee Matches," with G. Solon, Scottish Journal of Political Economy, 54(5), November 2007, 646-660.

"New Evidence on the Korean Wage Curve," with S. Park, Applied Economics Letters, 15(3), February 2008, 221-224.

"Explaining Procyclical Male-Female Wage Gaps," with S. Park, Economics Letters, 88(2) August 2005, 231-35.

"Do Past Unemployment Spells Affect the Duration of Current Unemployment?" with H. Choi, Economics Letters, 77(2), October 2002, 157-61.

"Gender and Industry Differences in Employment Cyclicality: Evidence over the Post-war Period," Economic Inquiry, 38(4), October 2000, 641-650.

"An Equilibrium Theory of Wage and Employment Cyclicality by Gender and by Industry, Southern Economic Journal, 65(3), January 1999, 451-71.

"Cyclicality of Real Wages among Young Men," Economics Letters, 46, October 1994, 137-42.

WORKING PAPERS/ WORK in PROGRESS (in English)

“Welfare Consequences of Rising Wage Volatility in the United States: Selection into Risky Jobs and Family Labor Supply Adjustments,” with S. Park, revise and resubmit, Review of Economic Dynamics.

“Estimating the Impact of Waiting Times on Supply and Demand for Elective Surgery in New Zealand,” with Pranay Panta.

“Cyclical Patterns of Inter-Industry Wage Gaps: An Old Stylized Fact and New Evidence,” with S. Park.

“Are Workers More Risk Averse after Job Displacement,” with Y. Lee and S. Park.

“Job Choice as an Insurance Mechanism against Wage Uncertainty,” with S. Park.

“The Extent and Employment Consequences of Labor Cost Flexibility,” with S. Park.

PUBLICATIONS in REFEREED JOURNALS (in Korean)

“Measurement Errors in Survey-Based Variables: Why Do We Need Data Validation Studies?” Korean Journal of Industrial Economics, 29(1), February 2016, 249-278.

Study on Income Volatility: Measurement, Causes, and Policy Implications, with Y. Kim and S. Park, December 2015, Korea Development Institute.

“Implications for Capital Controls Based upon Optimal Tariff Arguments,” with J. Kim, Korea Management Consulting Review, 15(4), November 2015, 123-133.

“The Impact of Introduction of Basic Pension on Gender Inequality,” with J. Seok, Issues in Feminism, 15(2), October 2015, 205-236.

“Effects of Enhanced Substitutability between Mother’s Childcare and Market Care Service on Life-Cycle Labor Supply and Fertility Behavior of Married Women,” with N. Kim and S. Park, Journal of the Korea International Economic Association, 21(2), June 2015, 55-91.

“The Nature and Extent of Nominal and Real Wage Flexibility in Korea,” with S. Park, Korean Journal of Labor Economics, 37(2), June 2014, 1-47.

“The Impact of Income Inequality on Growth,” with K. Shin, Analysis of the Korean Economy, 20(1), April 2014, 107-164.

“New Evidence on Determinants of Income Inequality,” with K. Shin, Journal of Economic Theory and Econometrics, 24(2), June 2013, 125-162.

“Employment of the Baby Boom Generation over the Life Cycle,” Journal of Health and Social Affairs, 33(2), June 2013, 5-32.

“Education Effects or Ability Effects,” with K. Park, Economic Research, 34(1), May 2013, 1-32.

“Employment and Wage Effects of Wage-Subsidy Policies,” Journal of the Korea International Economic Association, 17(2), August 2011, 159-182.

“Effects of the Redistribution Policies on Income Inequality and Bi-Polarization: A Comparative Study,” with J. Jang, Journal of Social Security, 26(4), November 2010, 357-384.

“Returns to Education in the Korean Labor Market,” Journal of the Korean Economic Association, 58(3), September 2010, 221-254.

“Income Polarization and Suicide,” with J. Jang, Journal of Social Security, 26(2), May 2010, 1-21.

“Cyclical Elasticity of Employment in the Korean Labor Market,” with J. Kim, Journal of the Korean Economy, 28(2), June 2010, 67-92.

“Choice of College Major and Long-Term Labor Market Outcomes,” with M. Kim, Journal of Vocational Education & Training, 12(3), December 2009, 97-120.

“Bridge Jobs and Partial Retirement of Male Workers in the Korean Labor Market,” Quarterly Journal of Labor Policy, 9(2), June 2009, 1-41.

“Bi-Polarization of the Income Distribution after the Exchange Rate Crisis: Trends, Causes, and Policy Implications,” Journal of the Korean Economic Association, 55(4), December 2007, 503-548.

“Economic and Social Consequences of Income Polarization in Korea,” with K. Shin, Review of the Korean Economy, 13(1), April 2007, 63-111.

“Gender Wage Discrimination in Korea: Evidence from the Workplace Panel Survey,” Quarterly Journal of Labor Policy 6(4), December 2006, 55-86.

“Cyclicality of Real Wages within Employer-Employee Matches: Re-Interpretation of Implicit Contract Theory,” Journal of the Korea International Economic Association, 12(2), August 2006, 1-35.

“Bi-Polarization of the Income Distribution in Korea,” with B. Cheon, Korean Journal of Labor Economics 28(3), December 2005, 77-109.

“Firms' Optimal Adjustments to Demand Shocks: Wages, Workers, and Hours,” Korean Journal of Labor Economics 28(1), April 2005, 29-60.

“The Effects of Aging on Labor Productivity,” Economic Research 26(1), May 2005, 41-93.

“Cyclicality of Inter-Industry Wage Gaps and Segmented Labor Market Hypotheses,” Korean Journal of Labor Economics 26(3), December 2003, 77-114.

“The Economic Effects of Working Hours Reduction in Korea,” with K. Shin and G. Yoo, Korean Journal of Labor Economics 25(3), December 2002, 1-34.

“Wage Flexibility in the Korean Labor Market,” with B. Cheon, Korean Journal of Labor Economics 25(2), June 2002, 1-32.

GOVERNMENT-SPONSORED RESEARCH PROJECTS ON LABOR MARKET POLICIES (in Korean, selected)

(*These are conducted at the early to mid-stages of my research career.*)

Constructing an Employment Safety Net, with J. Jang, B. Lee, and S. Eun, 2010.

Labor Market Policies in the Era of Population Aging, with J. Jang, D. Kim, J. Cho, Y. Cho, and J. Kim, 2004.

Labor Market Outcomes and Policy Responses after the Crisis: the Case of Korea, with S. Kang and D. Kim, 2002.

Combating Long-Term Unemployment, 1999.

Unemployment Policies during a Period of High Unemployment, S. Uh, G. Yoo, and W. Park, 1998.

RESEARCH GRANTS (selected)

Social Science Korea (Project Title: Between-Group Income Immobility and Social Unrest), Primary

Investigator, Korea Research Foundation, 2011 through 2016 (640,000US$).

General Joint Research (Project Title: Welfare Consequences of Rising Wage Risk), Primary

Investigator, Korea Research Foundation, 2014 through 2017 (220,000US$).

Fulbright Mid-Career research Grant, Korean-American Educational Commission, 2007.

Grants for Creative Research Projects, Korea Research Foundation, 2008.

Grant for Group Research Projects (Top-Down Agenda), Participant, Korea Research Foundation, 2008.

Grants for Leading Researchers, Korea Research Foundation, 2003 through 2006.

AWARDS

Outstanding Researcher, Kyung Hee University, 2013.

Best Article, The Korean Social Security Association, 2011.

Best Article, Baemugi Academic Award, Korean Labor Economists Association, 2006.

Best Teacher, Hanyang University, 2006.

Outstanding Teacher, Hanyang University, 2005.

Best Teacher, nominated by the PHI BETA KAPPA, Emory University, Spring 1997.

John Elliott Parker Memorial Prize in Labor Economics and Human Resources, University of Michigan, 1994.