• 대한가정학회지
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• 제42권10호
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• pp.129-141
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• 2004

The purposes of this study were to explain consumer attitude, behavioral intention and behavior(expenses) in the purchase of Han-gwa and to explore the influencing factors on them. To achieve these purposes, the Heckman two-step model was utilized to utilize the recursive system of attitude, behavioral intention and behavior. The results of this study were as follows: 1) Seventy-six percent of consumers presented their favorable altitudes to purchase Han-gwa, while $47\%$ of consumers had behavioral intention for purchasing Han-gwa. In addition, purchasing expense of Han-gwa per year as a proxy variable of behavior was less than 100,000 won for most consumers. 2) First, consumer attitude was found to be significantly influenced by the type of family and food safety. Second, the behavioral intention for purchasing Han-gwa was found to be significantly influenced by consumer attitude, age, income, education and price. Finally, consumer behavior(expenses) of purchasing Han-gwa was found to be significantly influenced by the behavioral intention, income and purchasing place.

• 기술혁신학회지
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• 제9권2호
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• pp.236-259
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• 2006

본 연구는 기업의 자체 연구개발 활동과 외부 기술획득이 대체관계인지 보완관계인지를 실증적으로 검증하고자 한다. 구체적으로, 2002년 한국의 제조업을 대상으로 조사된 기술혁신조사를 바탕으로 구축된 자료를 사용하고, 준구조적(semi-structural) 실증분석모형의 개발하였다 . 이 모형을 헤크만(Heckman)의 2단계 추정방법으로 실증 분석한 결과, 기업의 연구개발 활동과 기술획득은 보완관계를 갖고 있으며, 기업의 연구개발에 영향을 마치는 여러 요인들 중 정부의 연구개발 지원 정책과 대기업 계열사 여부가 긍정적인 영향을 보이며, 기술획득에는 실패한 프로젝트의 존재가 중요한 요인으로 추정되었다.

• 노동경제논집
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• 제33권2호
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• pp.135-164
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• 2010

본 연구는 기술진보의 소득증대 효과가 근로자의 직무(숙련) 특성에 따라 다를 것이라는 전제 하에, 산업간 기술격차가 근로소득에 미치는 영향을 자영업과 임금근로로 나누어 비교 분석하였다. 실증분석에는 한국노동패널조사(KLIPS) 자료를 사용하였고, 2단계 추정법과 분위회귀분석을 사용하였다. 분석 결과, 임금근로(직업특수적 숙련)에 대해서는 기술진보의 소득증대 효과가 고학력자에 집중되는 반면, 자영업주(경영가적 숙련)에 대해서는 기술진보의 소득중대 효과가 모든 학력계층에서 나타났다. 이러한 부문별 차이는 분위회귀분석에서도 동일하게 나타난다.

• 대한가정학회지
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• 제48권3호
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• pp.71-86
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• 2010

The purpose of this study was to find the characteristics of university education expenditure and how university education expenditure affected household finance such as total household expenditure after excluding education expenditure, savings, and debts respectively. The data were drawn from the 8th Korean Labor & Income Panel Study conducted by the Korean Labor Institute, and 563 households with children attending university were selected. The t-test, F-test (Duncan's multiple range test as post hoc test), OLS, and Heckman's two-step estimation were utilized by SAS 9.1 and SPSS 12.0 for Windows. The results were as follows: First, average annual tuition was found to be 6,170,000won(21.5% of total annual household expenditures) and average annual private education expenses were 4,920,000won(15.9% of total annual household expenditures). Second, the higher the household income levels, the more spent on university education, whereas the higher the household income level, the lower the household expenditure-to-university education ratio. Third, tuition and private education expenses had a negative impact on household expenditures after excluding education expenditure.

• 대한가정학회지
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• 제45권6호
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• pp.61-75
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• 2007

This paper examines the intergenerational time transfers between married women and their co-residing elderly parents, and how they affect married women's labor force participation and work hour. The sample was drawn from the "2004 Time Use Survey" conducted by Korea National Statistical Office and the Heckman's 2-step model was estimated to examine these relationships. We find that women's caregiving time for their elderly parents reduces their likelihood of participating in the labor force. On the contrary, parental time transfers for married women increases the probability of their labor force participation. We find no evidence that the actual hours of paid work is related to the time transfers between married women and their elderly parents. In other words, after married women decide to participate in the labor force, their work hours are not affected by the time spent for parents and time gained from parents to them. Parental income is positively associated with the married women's labor force participation whereas husband's income is negatively related. The married women working in service occupation and earn salaries work longer hours than those employed as laborer and wage workers. Having older parents and owning the second home reduce working hours of married women.

• The Journal of Asian Finance, Economics and Business
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• 제6권2호
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• pp.75-82
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• 2019

The paper aims to investigate the impacts of long-term savings motives on fostering household participation and contribution to savings mechanisms in rural Vietnam. The paper is organized in five parts: introduction, data description, methodology, empirical results, and conclusion. The quantitative methodology is employed and three simultaneous estimation methods, including instrumental variable model, two-step model, and Heckman model are used to test these impacts as well as the robustness of results. In each model, the paper examines the impacts of independent factors on both household participation and household contribution to savings mechanisms. Two sets of independent variables: long-term savings motives (profit-making investment, accumulation for big expenditure, providing for old age, and cost of educations) and control variables (dependency rate, number of people in household, and household wealth) are in each model. A set of dataset of 2,314 households for analysis is obtained from household survey in rural Vietnam. Robust statistical findings indicate that profit-making investment emerged to be the strongest motive fostering household participation to savings mechanisms while other long-term savings motives have little or no impact on fostering household participation to savings mechanisms. In addition, education investment encourages household contribution to savings mechanisms in rural Vietnam.

• The Journal of Asian Finance, Economics and Business
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• 제8권5호
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• pp.749-759
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• 2021

We investigate the relationship between ownership control disparity and future firm value in high-technology industries, and whether the effect of ownership control disparity on future firm value is differentiated when high-tech industry firms belong to chaebol groups. Using 11,848 firm-year observations of Korean firms listed on the stock market from 2006 to 2019, we employ univariate analysis and Heckman 2 stage analysis to test our hypotheses. We define high-technology industries as ICT industries based on the Korean Standard Industrial Classification. We measure future firm value using average Tobin's q for the next three years and ownership control disparity using the shareholding ratio of affiliated companies. Our univariate test results show that mean of Tobin's q is higher in ICT firms than non-ICT firms and firms largely owned by affiliates. In multivariate test, we find that the ICT firms with higher ownership control disparity are positively associated with future firm value. However, this association is lessened when firms belong to a chaebol group. Based on our findings, we suggest ownership control disparity has an additional positive effect on future firm in high-technology industries. The negative impact of chaebol groups on the association suggests the possibility of diversification discount in business group.

• 농촌계획
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• 제25권3호
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• pp.29-36
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• 2019

The purpose of this study was to analyze affecting factors to consider and make decision on the urban-to-rural migrants using survey data. In the consideration model of urban-to-rural migrants, it was found that the more interest in "urban-to-rural migrants concern" was, the higher probability to consider about urban-to-rural migrants. The lower the age and income level, the higher probability to consider about the urban-to-rural migrants. In the decision making model of urban-to-rural migrants, the more interest in "urban-to-rural migrants concern" was, the higher probability to decision making of urban-to-rural migrants. The higher of stable pension income and the lower of the expected living cost, the higher probability of decision on urban-to-rural migrants. The results of this analysis show that it is necessary to continuous education to increase "interests and information about rural areas", and A number of safeguards are needed to ensure stable income after urban-to-rural migrants to increase the population of the urban-to-rural migrants.

• The Journal of Asian Finance, Economics and Business
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• 제9권6호
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• pp.151-158
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• 2022

Even after three decades of economic reforms, India's labor market is characterized by stark inter-gender differences in terms of both participation rate and working time. Identification of the causes is necessary to remove the disparity and unequal sharing of economic opportunities to make way for women's empowerment. This research attempts in that direction, examining the prevalence of these inequities in rural areas of North-East Indian states using unit-level data from the 2017-18 Periodic Labour Force Survey (PLFS). The methodology for the estimation here is based on Blinder- Oaxaca decomposition method after correcting for sample bias forwarded by Heckman. The analysis shows that in both labor force participation and the wage gap, the females in the region lag behind their male counterparts by a huge margin. Further, the analysis shows that one of the main factors leading to the difference is the disparities in human capital assets. On top of female educational enrollment being low, there is also a huge lack of higher educational attainment, while males have accomplished much better in both the parameters. Moreover, the presence of social stigma against women working and discrimination put the female labor outcomes in a gloomy state.

• The Journal of Asian Finance, Economics and Business
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• 제7권6호
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• pp.551-560
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• 2020

This research investigates the impact of vocational training on wages of ethnic minority labors in emerging countries; Vietnam is the case study. The study uses secondary data from 2014 to 2018 collected through Vietnam Household Living Standards Surveys (VHLSS) conducted by the General Statistics Office. In order to analyze the impact of vocational training on wages of ethnic minority areas in Vietnam, this research creates ethnic area variables. According to Vietnamese regulations, ethnic areas are communes of 51 different provinces, inhabited by ethnic minority people. The statistics from VHLSS in 2018, show that the proportion of labors of working age with a certificate was 22.5%. The research employs Heckman Sample Selection Model to estimate the impact of vocation training on wage of labors in ethnic minority areas. The results show that vocational training plays a crucial role in improving the wages of ethnic minorities and has a positive impact. However, apart from the achieved outcomes, vocational training and job creation for ethnic minorities are not without limitations and shortcomings. Based on the findings, some recommendations to ethnic minority labors, enterprises and the Government are proposed to encourage participation in vocational training for the purpose of promoting the efficiency of the labor market.