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AbstractIn the last two decades, after the Asian financial crisis, Korea's employment composition has witnessed a rapid increase in temporary contractual work. I investigate the impact of changes in parental job status from employment with permanent contracts to that with temporary contracts on children's health using Korea Welfare Panel Study data. I find that parental job status changes to temporary contractual work from permanent contracts have a significantly negative effect on children's health. This outcome can be attributed to adverse financial shocks and a deterioration in mental health, which seem to outweigh the time reallocation effects.

Abstract
This study empirically tests the effects of the introduction of copayments on healthcare utilization in the Korea's medical aid program (MAP). Due to a growing concern about overutilization of public healthcare and government's financial burden, the Korean government reformed the MAP in 2007 and introduced copayments for outpatient care of Type 1 enrollees who had borne no medical treatment cost until the reform. Exploiting the natural experiment of 2007 reform, we perform a difference-in-differences (DID) analysis with propensity score matching and conclude that the introduction of copayments reduces healthcare utilization in the short-run through heterogeneous effect on the outpatient services consumption distribution, but this effect rapidly disappears over time.