• 보건행정학회지
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• 제23권2호
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• pp.124-131
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• 2013

Background: This study aimed to measure the opportunity income by identifying the economic length of stay (ELOS) which is the intersection point of daily revenue and cost on appendectomy and pneumonia cases. Methods: The research subjects were 460 patients of appendectomy and 606 patients of pneumonia, discharged from a general hospital between July 1, 2009 and June 30, 2010. ELOS calculated with both of total revenue on diagnosis-related group (DRG) and fee-for service (FFS). The cost is calculated by activity-based costing system of the hospital. Results: Average length of stay (ALOS) of appendectomy was 4.48 days and its average revenue per case were 1,710,215 (1,989,105) won by DRG (FFS). The variable cost was 491,262 won which was 28.7% (24.7%) of DRG (FFS) total revenue. And 97.2% of the total variable cost was incurred within 2 days from admission. The ELOS was 4 (5) days in DRG (FFS). Shortening three days (two days) would increase opportunity income 52.0% (82.2%) in DRG (FFS). ALOS of pneumonia case was 4.86 days and its average revenue per case were 489,448 (761,426) won by DRG (FFS). The variable cost was 27,230 won which was 5.6% (3.6%) of DRG (FFS) total revenue. Thirty-eight point nine percent of the daily variable cost was incurred in discharge date. The ELOS was 2 (4) days in DRS (FFS). Shortening three days (one day) would increase opportunity income 27.6% (37.2%) in DRG (FFS). Conclusion: The ELOS would be used by strategic index for achieving minimum profit and developing the ways to get there. But we also should not pass over that the opportunity income obtained by the reducing ALOS may cause some problem of quality.

• 벤처창업연구
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• 제17권5호
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• pp.105-115
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• 2022

본 연구는 코로나19 이후 우리 사회에서 주목받았던 머니러시 트렌드를 미래의 주역인 대학생들의 시각에서 창업학과 접목하여 영향관계를 살펴보고자 하였다. 이를 위해 부산경남지역 대학생들을 대상으로 머니러시가 창업기회인식에 미치는 영향과 앙트러프러너십의 매개효과를 분석하였다. 산업구조의 디지털 전환과 고용시장의 불안정, 자산가격 상승으로 인한 소득의 불평등 확대로 근로소득보다는 투자를 통한 자산소득 증대를 선호하는 머니러시 현상이 일반화되고 있다. 머니러시는 수입을 다변화, 극대화하고자 하는 노력으로 두 가지 이상의 일을 찾는 N잡의도와 레버리지를 적극적으로 이용해서 수익을 극대화하는 투자의도로 구분된다. 연구 결과, 머니러시는 창업기회인식에 긍정적인 영향을 미치고 앙트러프러너십에는 부분적으로 긍정적인 영향을 미치는 것으로 나타났다. 앙트러프러너십은 창업기회인식에 긍정적인 영향을 미치는 것으로 확인되었다. 머니러시와 창업기회인식 간에 앙트러프러너십이 부분적인 매개효과가 있는 것으로 확인되었다. 본 연구의 결과는 머니러시가 돈만을 추구한다는 비판적인 시각이 있음에도 불구하고 대학생들에게 경력 확장이나 창업기회인식을 높이는 긍정적인 동기요인이 될 수 있음을 시사한다. 따라서 대학생들의 창업기회인식 역량을 강화하고 실질적인 창업을 촉진하는데 필요한 정책적·실무적 방향을 제시하는데 기여할 것으로 보아진다.

• 한국사회정책
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• 제24권2호
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• pp.157-179
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• 2017

우리 사회에서는 언론이나 젊은 세대를 중심으로"금수저-흙수저"로 구분되는 수저계급론이 크게 부각되고 있으며, 이를 통해 계층적 신분구조가 고착화되고 있다는 대중적 담론이 널리 확산되고 있다. 2000년대 말 이후 객관적인 소득분배구조의 일정한 개선이 이뤄짐에도 불구하고 국민들의 주관적 인식에 있어 오히려 계층이동/세습이나 사회공정성에 대해 부정적인 여론이 날로 확대되고 있다는 점이 주목된다. "기회불평등의 인식조사" 자료를 활용한 실증분석을 통해 사회경제적 기회불공평, 기회불평등의 심각성 그리고 노력성취에 대한 주관적 인식에 있어서 전반적으로 부정적 평가가 내려지고 있으며, 특히 주관적인 계층지위에 따라 그 부정적 평가의 정도가 높게 나타나고 있다. 사회경제적 성취기회 불공평, 기회불평등 심각성 그리고 노력성취의 주관적 인식에 대한 회귀분석을 통해서는 부모세대와 본인세대의 계층지위(-), 차별 불이익 경험(+), 연령(-), 대학 대학원의 고학력(+)이 일관되게 유의한 영향을 미치는 것으로 밝혀졌다. 부연하면, 15세 성장기(부모세대)와 조사시점의 주관적 계층지위가 낮을수록, 차별 불이익의 경험을 가질수록, 젊은 연령층일수록, 그리고 대학 이상의 고학력자일수록 우리 사회의 기회불평등에 대해 부정적이거나 비관적인 인식태도를 보이는 것으로 분석되었다. 아울러, 사회경제적 성취기회의 불공평과 기회불평등의 심각성에 대해서는 실업자 및 비정규직 또는 비경제활동이 높은 부정적 인식태도와 유의한 상관관계를 보이고 있으며, 기회불평등의 심각성과 노력성취에 대해 중위소득 가구 및 상위소득 가구가 부정적인 인식태도를 갖는 것으로 나타났다.

• 한국지역사회생활과학회지
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• 제13권1호
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• pp.25-40
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• 2002

Recently the rural women's role has been changed from assisting men to leading major farm work. However, contribution of women in the rural area has not beers fairly evaluated. Hence, it has been difficult for the rural women to receive the reasonable compensation if they injured, had some disasters or were divorced. Therefore this study tried to suggest economic methods such as market cost approach, opportunity cost method and shadow wage method for evaluating rural women's labor. It might provide some information for helping to establish the status of rural women as a income earner through estimating money value of labor contributed by rural women and furthermore, be useful information to improve the efficiency of farm labor by exploring the relationship between value of labor and actual income. Hence, it might help improve the economic situation and life at home of rural women, solve difficulties in the real life and reduce disparity of economic distribution between urban and rural area.

• 국제학술발표논문집
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• The 1th International Conference on Construction Engineering and Project Management
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• pp.780-785
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• 2005

This paper aims to consider an overall benefit-duration optimization (OBDO) problem for the sake of maximizing owner's economic benefits, whilst considering influences of schedule compression incurred opportunity income on the profitability of a large-scale construction project. Unlike previous schedule optimization models and techniques that have focused on project duration or cost minimization, with greater weight on contractors' interests, OBDO facilitates owner's economic benefits through overall benefit-duration optimization. In this paper, the objective function of OBDO model is formulated. An example is illustrated to prove the feasibility and practicability of the overall benefit-duration optimization problem. The significance of employing OBDO model and future research work are also described.

• Management Science and Financial Engineering
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• 제20권2호
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• pp.13-25
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• 2014

We investigate an optimal retirement time and consumption/investment policy of a wage earner who expects to find a better investment opportunity after retirement by being freed from other work and participating fully in the financial market. We obtain a closed form solution to the optimization problem by using a dynamic programming method under general time-separable von Neumann-Morgenstern utility. It is optimal for the wage earner to retire from work if and only if his wealth exceeds a certain critical level which is obtained from a free boundary value problem. The wage earner consumes less and takes more risk than he would without anticipation of a better investment opportunity.

• 가족자원경영과 정책
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• 제12권1호
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• pp.57-89
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• 2008

Using the data of 'middle-and old-aged people' in the 6th year(2003) of KLIPS(Korea Labor and Income Panel Study), this study compared entirely retired men's income source and amount of income divided by the time of retirement and analyzed the determinants of main income source and amount of income level using Multinomial Logit Analysis and Tobit Analysis. The results of these were as following; First, Entirely retired men has average 1.27 income source and the amount of income from main income source is positioned at 85% of total income. This result indicates the lack of variety to get opportunities of income sources for the living and also means high risk associated with the entirely retired men if he looses the main income source. Second, most of income source of entirely retired men is spouse's earned income or private income transfers, however, if we divide those as timing of retirement and characters of each individual, it is represented that the most of income source is differentiated by the position at labor market during work life and the opportunity for building the wealth, and the possibility of obtaining public pension and public support. Third, the income level depends on what sort of income source the retired men has, this shows that there is not a strong relationship between obtaining a Income source and gaining above the certain level of income.

• 한국생활과학회지
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• 제4권1호
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• pp.63-74
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• 1995

Urben wage workers' education expenditure among different social classes from 1979 to 1993 has been compared. Eduction expenditure has increased much more than that of income resulting from income increase and government policy. Education expenditure gaps among social classes have showed to be an increasing trend although the ratio of education expense to the income has increased among low class families. Average income elasticity was 1.1 and this result showed that education expense was luxury good. Income elasticity of education expense among low class families have fluctuated more than any other classes resulting from construction business cycle and housing rent increase. Average Gini coefficient was 0.38 and turned out to be highest among 9 household expenditures, however it was in the trend of improvement from 81. But from 91 Gini Coefficient went up high again. Main reason for this increase was due to high social class families' eucation expenditure increase. Government's strong policies to enhance equality level of education opportunity and to support low class families are urged.

• 아태비즈니스연구
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• 제3권2호
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• pp.34-41
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• 2012

The aim of this paper is to depict the social problems common to South Korea and Japan by comparing their consumption behaviors. For that purpose, we utilize the Survey of Household Economy of both countries and attempt to determine the similarities and differences between the two countries. Our empirical analysis revealed the following. First, although both countries are aging, the first quartile (the poorest in under the definition in this paper) in South Korea has aged more rapidly than in to Japan. As the wages in these two countries formerly increased with age, this substantial divergence in the age composition in the poorest quartile is a remarkable change and suggests that income inequality has been more widely spreading out in South Korea than in Japan. Furthermore, the education expenditure ratio in South Korea is statistically significant for higher income level, while this is not the case in Japan. If the opportunity for better education is dominated by wealthier households, the prompt implementation of a policy to break this vicious circle is necessary in South Korea.

• 한국공간구조학회논문집
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• 제13권2호
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• pp.93-99
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• 2013

Korea has been striving for the development of the nation in various aspects. It will also have to make an effort for its continued development in the future. The problems of low-income groups that occur in those processes cannot be simply ignored now. It is needed to provide an equal opportunity to low-income groups so that they can be part of the society. The cycle of economic problem should be disconnected through this process. Farm-Housing is one of the solutions to this problem. Its purposes are not only to provide residence in the complex, but to gain income through various activities, such as production, distribution and consumption, and solve part of the economic problems of the people living in the Farm-Housing. To sell the products of Farm-Housing, the neighboring cities need to be designated as a hinterland. For this reason, Farm-Housing needs to be located in the suburban area of large cities. However, the current laws and policies make it difficult to construct Farm-Housing in suburban areas. Presenting plans to solve such problem is the purpose of this paper.