Jyh-Jer Roger Ko

My general research interests include work and labor market, organizational sociology, economic sociology, social stratification, and sociology of management. Current projects include platform works, precarious works, labor market segmentation, transformation of employment relationship, and the new pension system in Taiwan.

• Ph.D., May 1998, Department of Sociology, University of Wisconsin – Madison
  Thesis：“Organizations‘ Use of Temporary Workers and Subcontracting Arrangements: Theory and Evidence.
• M.S., Sociology, 1990, Department of Sociology, University of Wisconsin – Madison
  Thesis：“Education and Earnings: Non-nested Tests of Competing Theories”
• M.A., Economics, 1988, Department of Economics, State University of New York – Stony Brook

Journal Articles

1. Ko, Jyh-Jer Roger. Forthcoming. “Nonstandard Work (Precarious Work)”, in Hsiao, Michael Hsin-huang et al. (eds.) (forthcoming) Encyclopedia of Taiwan Studies. Leiden, the Netherlands: Brill Press.
   1. Ho, Diane Szu-Ying and Jyh-Jer Roger Ko. 2021. “Is There Gender Difference in the Scar Effect? Examining Effects of Nonstandard Work Experience on Next Employment Status of Employed Workers in Taiwan.” Industrial Relations Journal Vol. 23 (1): 1-33. (in Chinese)
   1. Huang, Yu-Hung and Jyh-Jer Roger Ko. 2019. “Underemployment and Employment Status in Taiwan: A New Perspective on Exploring Underemployment.” Industrial Relations Journal Vol.21 (2): 27-68. (in Chinese)
   1. Ko, Jyh-Jer Roger, and Pei-Ching Chang. 2014. “Segmented Labor Market? An Investigation of Job Mobility and Wage Differences between Standard and Nonstandard Workers in Taiwan.” Taiwanese Journal of Sociology Vol.55, pp. 127-177. (TSSCI) (in Chinese)
   1. Ko, Jyh-Jer Roger*, and Ying-Jung Yvonne Yeh. 2013. “Worker Satisfaction Following Employment Restructuring: Effects of Nonstandard Workers and Downsizing on Job Satisfaction in Taiwan.” Social Indicators Research 110 (2):453-467. (SSCI, DOI: 10.1007/s11205- 011-9937-z)

Conference papers

1. Ko, Jyh-Jer Roger. 2019. “Employment Risks in Contemporary Taiwan.” Paper presented at the Session “Social Conflicts and Risks in East Asia”, 2019 East Asian Junior Workshop and East Asian Senior Sociologists Workshop, Department of Sociology, Graduate School of Letters, Kyoto University, Kyoto, Japan, August 19-22, 2019.
2. Ko, Jyh-Jer Roger. 2018. “Work Organization and Nonstandard Workers: A Case Study of a Multi-Layer Subcontracting System in Taiwan.” Paper presented at the Session “Professions and Professional Service Firms: Private and Public Sector Enterprises in the Global Economy”, at the XIX ISA World Congress of Sociology, Toronto, Canada. July 15-21, 2018.
3. Ko, Jyh-Jer Roger. 2017. “Choice vs. Constraint: A Study on Differences of Work Mobility and Labor Market Outcomes between Voluntary and Involuntary Nonstandard Workers in Taiwan.” Paper presented at the 29^th Annual Conference of the Society for the Advancement of Socio-Economics (SASE) to be held at the University Claude Bernard 1 – Campus Rockefeller, Lyon, France, 29 June – 1 July 2017.
4. Ko, Jyh-Jer Roger. 2016. “Nonstandard Jobs in Taiwan: Traps or Bridges?” Paper presented at the 28th Annual Meeting conference of the Society for the Advancement of Socio-Economics to be held at the University of California, Berkeley, June 24-26, 2016.
5. Ko, Jyh-Jer Roger. 2015. “Work Life Quality Following Employment Restructuring: Effects of Nonstandard Workers and Downsizing on the Quality of Work Life in Taiwan.” Paper presented at the “International Conference on Labor, Health and Social Welfare”, organized by Health Research for Action and Institute for East Asian Studies, UC Berkeley, Berkeley, California, U.S.A., July 13-15, 2015.
6. Ko, Jyh-Jer Roger. 2014 “Precarious Workers and Work Organization: A Case Study from the Steel Industry of Taiwan” Paper presented at the 109th ASA Annual Meeting, “Hard Times: The Impact of Economic Inequality on Families and Individuals”, San Francisco, California, U.S.A., August 16-19, 2014.
7. Ko, Jyh-Jer Roger. 2014 “Differences in Job and Work Mobility of Labor Market Insiders and Outsiders in Taiwan” Paper presented at the Integrative Sessions RC/National Associations “Precarious Work and Employment Risks in East Asia” (2981) at the XVIII ISA World Congress of Sociology, Yokohama, Japan, July 13-19, 2014.