• Korea journal of population studies
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• v.26 no.1
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• pp.79-113
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• 2003

This study is intended to explore an income level necessart for the old-age by income Status. Firstly, it is verified whether there is significant difference between old-age and working age or not. Secondly, if their difference is found, it will be identified that it is determined by certain factors. Thirdly, it is brought out needful income level for the old-age living through analysing old-age consumption expenditure level over working age. The results in this research are as follows. Firstly, there is a significant difference between old-age and working age. Secondly, the major factors which generated difference between old-age and working age consumption expenditure are income, household size, and age. Thirdly, the income level necessary for oldage living is on average 61 %. By income status, it is 90-100% for low income status, 60-70% for middle income status, 50-60% for high income status.

• KDI Journal of Economic Policy
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• v.11 no.4
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• pp.3-22
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• 1989

본(本) 연구(硏究)는 양도소득세제(讓渡所得稅制)의 현황과 문제점을 검토함으로써 양도소득세제(讓渡所得稅制)의 개선방향(改善方向)을 제시하는 것을 기본목적(基本目的)으로 하고 있는바 특히 양도소득세(讓渡所得稅)의 공급동결효과(供給凍結效果)(lock-in effect)에 초점을 맞추고 있다. 부동산처분시(不動産處分時)에 부과되는 양도소득세(讓渡所得稅)는 흔히 공급동결효과를 유발함으로써 부동산거레를 침체시키는 한편 부동산가격(不動産價格)을 높이는 결과를 가져올 수 있다는 지적이 제기되고 있는데 본(本) 연구(硏究)에서는 이를 자료를 통하여 확인하였다. 또한 본(本) 연구(硏究)에서는 양도소득세(讓渡所得稅)의 공급동결효과(供給凍結效果)가 부동산 보유기간의 장기화에 따라 세부담(稅負擔)이 감소하는 데 기인하는 바 큼을 밝히고 양도소득세(讓渡所得稅)의 공급동결효과를 완화하고 더 나아가 세부담의 수평적 수직적 형평을 기한다는 측면에서 보유기간에 관계없이 세부담이 균등화되도록 양도소득세제(讓渡所得稅制)가 개선되어야 한다고 주장하였다. 이 밖에 본(本) 연구(硏究)에서 제시한 양도소득세제(讓渡所得稅制)의 개선방향은 첫째로 양도소득세(讓渡所得稅) 과세대상자산(課稅對象資産)의 범위를 확대하며, 둘째로 비과세(非課稅) 및 감면규정(減免規定)을 축소조정(縮小調整)하고, 셋째로 양도차익산정기(讓渡差益算定基準)을 일원화(一元化) 현실화(現實化)하며, 넷째로 부동산공부(不動産公簿)와 사실(事實)의 일치(一致)를 통해 부동산거래(不動産去來)의 포착률을 제고시키고, 끝으로 평균소득화(平均所得化)(income averaging)를 전제로 양도소득(讓渡所得)을 통상소득에 산입(算入) 종합과세(綜合課稅)하는 것이다.

• 한국사회정책
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• v.25 no.3
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• pp.3-35
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• 2018

This article critically reviews the arguments that deny the financial feasbility and effectiveness of universal basic income as an alternative to existing social security systems and makes some suggestions to design effective and efficient basic income schemes. Regarding the financial feasibility of universal basic income, I argue that replacement of the existing regressive tax expenditures with universal basic income without raising tax rates can effectively reduce tax burden or provide income support to a majority of people except the rich. Addition of basic income to the tax base and reduction of the number of beneficiaries of public assistance and the amount of cash payment for them can further help save money. Regarding the redistributive effect, I note that the targeting ability of the existing social security systems is not good and that "the paradox of redistribution" that universal-type programs tend to be more redistributive than selective programs applies to universal basic income as well. I demonstrate significant redistributive effect of a hypothetical revenue-neutral basic income scheme and reviews several empirical studies done in Korea and abroad to show that basic income can be more effective in redistribution than social insurances or public assistance programs. Lastly, I emphasize the need to construct a reliable tax-benefit microsimulation model to help researchers to study redistributive effects of basic income schemes and other taxes and social policies.

• 한국노년학
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• v.31 no.1
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• pp.111-127
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• 2011

The study aims to analyse whether Korea and Taiwan have reduced the elderly poverty effectively through income transfer system in a comparative perspective. It covers 12 Western welfare states and 2 East Asian welfare states(korea and Taiwan). Utilising Luxembourg Income Study(LIS) datasets, empirical analyses focus on old-age income mix and poverty reduction effects of income transfer. Major findings are as follows. Frist, whilst public transfer income takes a major part in old-age income mix in Western welfare states, Korea and Taiwan reveal genuine mixed states - i.e., the relative proportion of private transfers and market income are high. Secondly, public transfers have effectively reduced the old-age poverty in Western welfare state. However, thirdly, those effects are still limited in Korea and Taiwan. Rather, the poverty reduction effects of private transfers are relatively high. Based on the empirical findings, the study suggests future research agendas and policy implications.

• Journal of Labour Economics
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• v.28 no.1
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• pp.135-156
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• 2005

This paper analyzes the distribution and determinants of income of the self-employed, in comparison with salaried workers. Relative to salaried workers, in general, the self-employed tend to have a larger dispersion of income and larger heterogeneity. In this regard, the quantile regression analysis was used, along with a typical OLS regression analysis. According to the empirical findings, the income of the self-employed is larger than that of salaried workers, and this difference is larger for higher income group. The marginal effect of education is larger for higher income groups for both the self-employed and salaried workers, implying the return on education is larger for higher income groups. In contrast, for self-employed women, the marginal effect of education is smaller for higher income groups. Put differently, the return on education in the labor market is larger for salaried workers and self-employed men of high income groups as compared to those of low income groups, whereas the opposite holds for self-employed women.

• Journal of Labour Economics
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• v.37 no.3
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• pp.1-44
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• 2014

This paper investigates the effect of household formation on the mapping from wage inequality to income inequality, which usually is smaller than the former. Added workers, income pooling among household members, and shared consumption are the factors that make income distribution less inequal than wage distribution, and the effect of income pooling appears to be the greatest. This suggests than the increase in nuclear families and the resulting increase of old families have a potential effect of worsening income inequality at the absence of sufficient private income transfers among the two households. A simple counter-factual estimate indicates that income pooling among the children's and parents' households can efficiently and sizeably reduce income inequality.

• Journal of Labour Economics
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• v.36 no.3
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• pp.97-128
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• 2013

This paper analyzes the changing factors of income inequality by approaches to income sources focusing on the effect of husband-wife labor income relation and employment ratio change on income inequality. The level of contribution of income source to income inequality showed that the inequality of labor income between husband and wife(especially the husband's income) takes great importance. Also, the covariance of labor income of husband and wife showed growing trend and changed toward the same direction. As a result of the decomposition of the labor income covariance, it was found that the change in husband-wife employment ratio explained the covariance change better than the change in labor income inequality.

• Journal of Labour Economics
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• v.40 no.3
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• pp.57-77
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• 2017

To prevent the disincentive of labor supply under the current welfare system, we suggest the safety income system, a Korean version of negative income tax. Under the proposed system, for example, a household with four members whose annual income is less than 50 million wons will get financial support from the government. Under the safety income system, labor supply increases and so does the gross domestic product. The disposable income of low-income households increases, which alleviates the income gap among households. Analyzing the Household Income and Expenditure Survey data, we show that under the safety income system the disposable income differentials among households are reduced much more than under the current welfare system or under the universal basic income system.

• Journal of Labour Economics
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• v.37 no.1
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• pp.29-57
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• 2014

Using unemployment insurance and income-contingent loan (ICL) that conditions repayment by debtors upon their incomes this paper characterizes an efficient income support system for the unemployed, which maximizes their lifetime utilities by effectively enhancing inter-state and inter-temporal consumption-smoothing subject to incentive constraints on the part of the beneficiaries. This paper also emphasizes the generality of the argument for a mix of ICL and subsidy that may be applied potentially to many types of government welfare program.

• Korea journal of population studies
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• v.28 no.1
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• pp.23-45
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• 2005

혼인과 사망에 관한 연구 대부분은 혼인상태에 있는 사람이 혼인상태에 있지 않은 사람보다 더 건강하게 오래 산다는 사실을 보여준다. 그 이유는 선별효과와 보호 효과로 설명된다. 선별 효과에 의하면, 건강한 사람이 쇠약한 사람보다 혼인할 가능성이 높다. 그 결과, 독신자 집단은 유배우자 집단에 비해 병약한 사람들이 전체 집단에서 차지하는 비율이 높아 더 높은 사망률을 보인다. 보호효과는 혼인이라는 유대를 통해 배우자들이 건강할 때나 아플 때나 서로의 건강을 염려해 주고 또 경제적 그리고 정신적 문제로 인한 스트레스와 스트레스에 관련된 병을 감소시켜, 혼인상태에 있는 사람들의 사망률을 혼인 상태에 있지 않은 사람들의 사망률보다 낮춰 준다는 것이다. 이 연구에서, 우리는 혼인상태의 은퇴 고령 남성이 독신상태의 은퇴 고령 남성과 유의미한 사망률 차이를 보이지 않지만, 이혼하거나 별거하거나 혹은 배우자가 사망한 상태의 은퇴 고령남성보다는 낮은 사망률을 보인다는 사실을 발견했다. 비록 선별효과를 입증해 보여주지는 못했지만. 혼인을 통한 재정적 복지가 은퇴 고령 남성의 사망에 영향을 미치는 경험적 증거는 발견하였다. 중간 소득과 저소득 사이의 은퇴 고령 남성에서 나타나는 사망률 차이는 그들 건강상태의 차이로 나타난다. 중간소득의 은퇴고령 남성이 저소득의 은퇴 고령 남성보다 약간 더 많은 재정적 복지를 통해 보다 나은 건강상태를 유지하고 그 결과 약간 더 낮은 사망률을 보인다. 반면 고소득의 은퇴한 고령남성에게는 혼인의 재정적 복지뿐 아니라 그들의 소득도 그들의 건강증진 및 사망률 저하에 유의미한 영향을 미치는 것으로 나타났다. 동일한 건강상태일지라도, 고소득의 은퇴 고령남과은 타 집단의 고령 남성보다 사망할 가능성이 낮았다.