• 지역연구
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• 제14권1호
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• pp.109-126
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• 1998

We analysed the determinants of part-timer labor demand and supply in Kwangju. The findings of the paper are as follows; First, firms employ part-timer workers in the unskilled or skilled jobs not demanding much training cost. There are two reasons for firms to employ part-time workers: labor cost cut and flexible employment adjustment. Estimated wage differential is 40% not including fringe benefits differential. Second, we find lots of married women to want part-time jobs. The more probably married women choose part-time work, the younger and the less educated they are, and the less kids and the less other income they have.

• 수산경영론집
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• 제54권2호
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• pp.1-14
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• 2023

The sustainability of fishing villages is threatened by manpower shortages due to population aging and poor settlement conditions. In the reality of poor fishing villages, the importance of women's labor is more emphasized than that of the past because female workers are key workers in fishing labor, processing and sales of marine products. However, policy support for female fishermen is not sufficient. The reason for this is that policy makers did not properly recognize the labor value of female fishermen. In fact, fishing villages have emphasized the importance of female workforce as a slogan, but there has been no attempt to estimate the labor value. There was not even a review of the methodology for estimating the value of labor that was attempted in similar fields. As a result, the policy importance of female fishermen was underestimated for there was no attempt to evaluate their value even though women had been continuously participating in the fishery from the past. Female fishermen's labor is under the dual labor structure of housework and fishing labor. Therefore, in this study, housework and fishing labor were estimated separately and the total labor value was calculated. The basic data necessary for estimating the labor value of female fishermen were obtained through a survey. The method of estimating the labor value of female fishermen was used in combination with the present income method and the total replacement cost method. As a result of the study, the total labor value of female fishermen was about 4.4 trillion won, which is about half of the total fishery production of 9 trillion won in Korea.

• 국제학술발표논문집
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• The 9th International Conference on Construction Engineering and Project Management
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• pp.649-657
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• 2022

The COVID-19 pandemic has unprecedented impacts on different sectors around the globe. The effects observed in developing countries are even more severe. Some projects stopped while many have cost and time overrun issues. This paper conducted a case study on the COVID-19's effects on a hotel construction project in Nepal. The study reviewed the literature on COVID-19 and its impact on construction sectors and conducted a semi-structured interview with the project's personnel. The interview response was analysed and the contributing factors that impacted the project and its performance were identified. The paper found financial, operational, contractual, safety, and risk management issues in the hotel project. Overall, the project cost increased by 32% where the material cost increased by 35% and labor cost increased by 28%. This research discusses causes, measures, and provides a broad perspective of the problems, significant challenges, and opportunities associated with the effects of COVID-19 on the construction industry. The Owner as well as the Contractors incurred added costs because of COVID-19. The paper identified contributing factors and presented the challenges which could be used as opportunities to minimize unforeseen impacts of the pandemics in near future. The lesson learned from this case study was that the labor cost and materials cost could have been minimized if the Owner and the Contractor had established alternative resources such as using locally available labor, materials, and alternative suppliers.

• 한국자원식물학회지
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• 제8권3호
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• pp.297-302
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• 1995

감자 재배(栽培)에 있어서 기계(機械)를 이용(利用)하여 수확(收穫)의 생력화(省力化)로 생산비(生産費)를 절감(節減)하기 위해 본(本) 시험(試驗)을 수행(遂行)한 결과(結果)는 다음과 같다. 1. 기계(機械)를 이용(利用)한 감자 굴취수확(掘取收穫)은 관행인력수확(慣行人力收穫)에 비해 트랙터 후부(後部)에 굴취기를 이용(利用)한 것이 94%로 생력효과(省力效果)에서 관행인력수확(慣行人力收穫)에 비해 42-45%의 노력시간(努力時間)을 절약(節約)함으로 42-45%의 작업비(作業費)를 절감(節減)했다.

• 한국산학기술학회논문지
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• 제16권9호
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• pp.5843-5849
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• 2015

본 연구는 단감농가의 생산비절감방안 모색을 위해 생산요소 수요구조를 분석했다. 2001~2013년간 농산물소득조사 원자료를 이용해 초월대수 비용함수를 추정하고 노동, 자본, 중간투입재간 가격 및 대체탄력성을 계측했다. 분석결과 생산요소 모두 가격변화에 따른 수요변화가 크지 않고 특히 비용부담이 가장 큰 노동의 가격상승에 따른 타 생산요소의 대체성이 낮아 구조적으로 단기간에 노동 수요를 줄이기는 어려운 것으로 나타났다. 이는, 생산비절감을 위해서는 노동에 비해 수요가 탄력적인 중간투입재, 특히 탄력성이 큰 비료와 기타재료비를 중심으로 비용절감이 이뤄져야함을 시사한다.

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2013년도 춘계 학술논문 발표대회
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• pp.180-181
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• 2013

In order to draw indirect cost rates, theories of indirect cost were investigated, and recent field data were collected from steel factories. As a result, it was found that the ratio of indirect labor productivity compared to the direct labor ratio was approximately 17% and the ratio of indirect cost compared to direct cost was approximately 93%. Furthermore, 'The economy of construction industry' and 'size of steel factory' were found to be influence factors of the indirect cost ratio.

• 한국자원식물학회지
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• 제9권1호
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• pp.63-69
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• 1996

양파 재배(栽培)에 있어서 기계(機械)를 이용(利用)하여 수확(收穫)의 성력화(省力化)로 노동력(勞動力)과 생산비(生産費)를 절감(節減)하기 위해 본(本) 시험(試驗)을 수행(遂行)한 결과(結果)는 다음과 같다. 1. 기계(機械)를 이용한 양파 굴취수확(掘取收穫)은 관행인력굴취수확(慣行人力掘取收穫)에 비해 트랙터 후부(後部)에 굴취기(掘取機)를 부착(附着)해 서 수확(收穫)한 굴취수확(掘取收穫)이 90-93%로 성력효과(省力效果)는 가장 좋았다. 2. 트랙터 후부(後部)에 굴취기(掘取機)를 부착(附着)한 수확기(收穫機)의 성력효과(省力效果)는 관행인력수확(慣行人力收穫)에 비해 37%의 작업시간(作業時刊)을 절감(節減)하여 37%의 작업비(作業費)를 절멸(節滅)했다.

• 대한가정학회지
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• 제30권3호
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• pp.79-89
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• 1992

Indicies of the labor productivity were assessed from 80 industry foodservice erstablishments in terms of meals served per labor hour, labor minutes per meal served, and labor cost per meal served. The labor productivity indicies were also assessed according to variables related to work such as working hours, paryment for the workers, volume of feeding, utilization of foodservice equipment, use of processed foods, and background of employees. The summary of the results was as follows: 1. Manufacturing sector among surveyed industry foodservice showed the highest labor productivity indicies followed by training institute. 2. 28.8% of surveyed establishments used dishwashing machine, while manual dishwashing was used in 71.3% of subjects, equipped rate point was 9.8 out of 20, and disposable dish was used in 30% of subjects. 3. A significant positive relationship was found between the number of meals and the labor procductivity indicies. As the number of meals increased, more meals were served per worker as per labor hour. 4. A significant negative relationship was found between price of meal and the labor productivity didicies. As the price of meal increased, less meals were served per worker as well as per labor hour.

• Journal of Biosystems Engineering
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• 제21권4호
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• pp.474-481
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• 1996

Farm mechanization has been rapidly progressed in rice farming since the 1980's, in Korea. The mechanization has been achieved up to 95-97% in the year of 1995, except irrigation and drying process. However, rice production cost remains much more expensive than the cost of other rice farming countries. Since labor cost shares a major portion of the production costs, it is essential to save labor cost with automation and more sophisticated mechanization. However, it requires great capital investment which causes farm management worse. Therefore, the computer program was developed which can select machines to minimize the management and maintenance cost by analyzing available working days in different areas, machinery to purchase, farming size, total farming size in a village, number of machines and custom fee.

• 한국항공운항학회지
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• 제20권4호
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• pp.126-131
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• 2012

In South Korea, there is no consideration for increasing labor costs and price fluctuation regarding the commission for a flight inspection. Because this causes a deficit in the flight inspection related operation, the cost system should be improved. Therefore, this research considers the first cost analysis in order to calculate a proper flight inspection commission through three different types of cost making methods. Moreover, as flight inspections are held by flights and human labors, labor costs are included as the main operation cost. According to the research, it is analyzed that the total cost to process flight inspection operations is decided by the scope of aircraft operation.