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김진영(논평) ( Jinyoung Kim ),강주연(논평) ( Juyeon Kang ) 한국금융연구원 2019 한국경제의 분석 Vol.25 No.1
This paper studies empirically how children affect the retirement decisions of their parents. In theory, more children can make their parents retire earlier through the channel of old-age support. On the other hand, parents may retire later with more children because of more expenditure on the latter such as educational expenses. Using the Korean Longitudinal Study of Aging data which is produced by Korea Employment Information Service, we employ the IV probit model to analyze the effect of the number of children on parental retirement. We find that the more children parents have, the later they retire. This finding indicates that the expenditure effect is more dominant than the old-age support effect. With the social norm of old age support gradually fading over generations, older parents are predicted to have a less adverse effect of children on retirement, which is confirmed by our result.
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입학 전형별 대학생활에 대한 실증분석 : 한 대학의 사례
김진영 ( Jin-yeong Kim ),강성만(논평),강창희(논평) 한국금융연구원 2020 한국경제의 분석 Vol.26 No.2
This paper empirically investigates the relationship between different college admission paths and the college GPA, based on the dataset containing information on the performances of students entering a private university located in Seoul from 2013 to 2017. It turns out that students who got admission from their highschool academic performances and activities have higher college GAP that those who got admission purely based on Scholastic Ability Test, especially after 2015. This tendency is strengthened in recent years as the highschool transcript takes more weight in the college admission process. Students getting admissions purely based on the SAT results have a higher probability of putting under academic probation. Meanwhile, the differences among GPAs of students form different college admission paths differ depending on their major. In the humanity and social science majors students got admission based on their highschool transcript got higher GPA, but such tendency is much weakerin the natural science and engineering majors.
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김진영 ( Jinyoung Kim ),정수연 ( Su Yeon Jeong ),손혜림(논평),한유진(논평) 한국금융연구원 2021 한국경제의 분석 Vol.27 No.2
Retirement is accompanied by significant changes in an individual's everyday life, which can readily affect a retiree’s health. This paper analyzes how retirement affects health and identifies the channels for the retirement effect on health, using the Korean Longitudinal Study of Ageing (KLoSA). Taking into account the endogeneity issue, our two-stage IV model with individual-level fixed effects shows that retirement help improving health. We find that retirees are more likely to participate in religious and other social activities, which can be channels for improving health in retirement.
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나원희 ( Won Hee Na ),이영 ( Young Lee ),김진영(논평),최재성(논평) 한국금융연구원 2021 한국경제의 분석 Vol.27 No.2
Using the data of thirty-two OECD countries from 1998 through 2018, we find public expenditures on tertiary education directed at individuals, particularly student loans, are significantly associated with a subsequent decrease in income inequality. On the other hand, a negative association between the public expenditures directed at institutions and income inequality cannot be found. A one standard error increase in public expenditures directed at individuals is associated with approximately one-fifth of one standard error decrease in Gini indices for market income. This paper is the first study to investigate and yield supportive evidence that public expenditures on tertiary education directed at individual students are more effective in enhancing equity than providing the funding directly to institutions.
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한국 소매업의 생산성 성장 : 사업체 진입과 퇴출의 역할을 중심으로
조장희 ( Janghee Cho ),신동한 ( Donghan Shin ),전현배 ( Hyunbae Chun ),김진영(논평),이창근(논평) 한국금융연구원 2020 한국경제의 분석 Vol.26 No.3
While productivity growth in the manufacturing sector is mainly accounted for by technological advances of incumbent establishments, resource reallocation through both the entry of efficient establishments and the exit of inefficient ones plays a crucial role in productivity growth in the service sector. However, the high rates of entry and exit in Korean retail industry have been regarded as rather a sign of excessive competition. A main underlying reason for this view is that Korean retail industry has a relatively large share of small and less-productive establishments compared to the United States and other developed countries. This paper examines whether the frequent entry and exit of small establishments could lead to the process of creative destruction and thus productivity growth in Korean retail industry. Using establishment-level Census data and the method of Foster et al. (2006), we decompose the aggregate retail productivity growth from 2005 to 2015 into contributions of continuing, entering, and exiting establishments. We find that both the entry and exit contribute to approximately 85% of productivity growth in the retail industry. The estimate is larger than that in Canada and Japan but smaller than that in the United States. Overall, the finding indicates that both entry and exit play crucial roles in the productivity growth of Korean retail industry. Using regression analyses, we also investigate the heterogeneous productivity effects of entry and exit by establishment size as well as by subsector. Evidence on creative destruction through entry and exit is found in both the general merchandise sector (GMS) and non-GMS one. However, creative destruction is evident only for groups of small GMS establishments and medium-sized non-GMS establishments. Furthermore, both small and medium-sized establishments experience productivity growth after their entry while large ones do not. Our findings confirm that creative destruction through entry and exit contributes to productivity growth even in the sector that is mostly composed of small establishments. Furthermore, our paper provides crucial evidence for debates on entry-deterring policies aimed to ease excessive competition among small businesses.
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