• Title/Summary/Keyword: PSM with DD

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The Effects of Long-term Care Insurance on the Life Satisfaction and Satisfaction in Family Relationships - The DD Method Combined with Propensity Score Matching - (노인장기요양보험제도가 대상노인 및 부양가족의 삶의 질과 가족관계 만족도에 미치는 영향 - 성향점수매칭(PSM)과 이중차이(DD) 결합모형을 이용한 분석 -)

  • Kwon, Hyun-Jung;Cho, Yong-Un;Ko, Ji-Young
    • Korean Journal of Social Welfare
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    • v.63 no.4
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    • pp.301-326
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    • 2011
  • The major purpose of this study is to evaluate the impact of the long-term care insurance program. In order to estimate the impact of policy accurately, certain bias which might hamper the validity of this study has been removed by Propensity Score Matching(PSM) and Double Difference(DD) method from the semi-experimental design. To study the effects of long-term care insurance on the elderly and their family members as social outcome variable sand the quality of life of their family and satisfaction in family relationships, the third and fourth waves of Korea Welfare Panel are used to match experimental and comparative groups by the propensity score matching. Then, DD method, using the panel fixed effects model, is applied to estimate the differences of those groups'treatment effects before and after the policy implementation. As a result, it was found that the Quality of life on the elderly and their family members is statistically meaningless, while the satisfaction in family relationships has much increased after the policy implementation. The result has a limitation in that this evaluation is performed at the point when the long-term insurance program has not been ripened enough. However, there is an important implication on the significance of realizing the main goal of the long-term care insurance to improve the quality of life of the elderly and their family members and as for the potentiality of further system improvements.

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The Effect of Long-Term Care Insurance on Labor Supply (노인장기요양보험제도의 노동공급효과 분석 - 부양가구원과 여성가구원을 중심으로-)

  • Kwon, Hyunjung;Ko, Jiyoung
    • Korean Journal of Social Welfare
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    • v.67 no.4
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    • pp.279-299
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    • 2015
  • This study examines the impact of Long-Term Care Insurance(LTCI) on family caregivers(especially focused on female household members) labor supply in South Korea. When public care and informal care are substitutes, LTCI will change allocation of time of family caregivers to spend more time to paid work. The impact of LTCI on labor supply depends on each country's institutional level of public care services. If public care can not substitute for informal care, labor supply of family caregivers will not rise significantly. The conclusions of vigorous empirical study from western countries' are incompatible and problem of endogeneity in terms of methodology has been raised consistently. The dataset of this study are used the third and ninth waves of Korea Welfare Panel. As a result, the introduction of LTCI had no effect on labor supply of household members. Robust findings suggest the positive effects of caregiving on labor market outcomes in simple comparison t-test, but not in fixed-effect regression. Compared with western countries, South Korea's public care services can be interpreted as a supplement to only part that remained at the level does not substitute informal care. These findings may suggest that if LTCI become much more prevalent in the future, senior citizens and family members will be able to choose the LTCI arrangement that best suits their needs.

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