• Title/Summary/Keyword: Economic Scale

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Economic Analysis of Cooling-Heating System Using Ground Source Heat in Horticultural Greenhouse (시설원예의 지열냉·난방시스템 경제성 분석)

  • Ryoo, Yeon-Su;Joo, Hye-Jin;Kim, Jin-Wook;Park, Mi-Lan
    • Journal of the Korean Solar Energy Society
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    • v.32 no.6
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    • pp.60-67
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    • 2012
  • Government Geothermal Cooling-Heating Projects has made efforts to reduce GHG(Greenhouse Gas) emissions and to manage cost of greenhouse farm households. This study evaluated the economic benefits of heating load rate of change by comparing Geothermal Cooling-Heating System with the existing system(greenhouse diesel heating) in the Government Geothermal Cooling-Heating Projects. Economic analysis results shows that, 1) When installing the Cooling-Heating system according to the ratio of 70% heating load in policy standards, the geothermal cooling-heating system has economic efficiency with greenhouse type or scale independent because the investment cost is recovered within 7 years. And It was more economic efficiency the ratio of 50% heating load than70% heating load. 2) When installing the Cooling-Heating system according to the glass greenhouse of the ratio of 90% heating load, pay period of investment cost is recovered within 5 years. Therefore it is necessary to apply flexible heating sharing according to greenhouse type or scale.

A Study on the Ecotourism Policy Direction of Saemangeum.Gunsan Free Economic Zone (새만금.군산경제자유구역의 생태관광 방향)

  • Lim, Hyung-Baek;Choi, Hung-Kyu;Lee, Seong-Woo
    • Hwankyungkyoyuk
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    • v.22 no.4
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    • pp.53-65
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    • 2009
  • Saemangeum is the largest reclaimed land in Korea. Saemangeum is the large scale project responding to the economic demand of globalization, and a government initiated new development business with a vision of global Free Economic Zone(FEZ). Jeollabuk-province conducted a international competition to establish a global-scale, creative development plan and grow the Saemangeum as an international destination of economy, and a world-wide brand. SGFEZ has much to offer in terms of tourists attractions and breathtaking scenery. And tourism is one of the important industry in SGFEZ. Many tourist facilities will be construct in SGFEZ. Environment is the important issue in many field of study. Recent days, green growth come into the spotlight in Korea. But even as SGFEZ prepares for its future global tourists attraction, so much of the tourism policy directions remains unconsidered. The objective of this study was to suggest tourism policy direction, especially concentrated on ecology tourism policy direction of Saemangeum Gunsan Free Economic Zone(SGFEZ).

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Regional Development Policy in Korea-Past, Present and Future (한국의 지역발전정책-과거, 현재, 미래)

  • Jang, Jae-Hong
    • Journal of the Economic Geographical Society of Korea
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    • v.12 no.4
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    • pp.576-596
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    • 2009
  • Recently the World Bank released its World Development Report 2009 (hereafter WDR 2009) with the title 'Reshaping Economic Geography.' In the report, the Korean experience in regional development policy was highly praised. Also, the current government has been trying to reshape the regional development policy in view of 5+2 Economic Regions. The main theme of this paper is how to establish the highly valueadding economic system and how to deal with scale economies for regional development. In this paper these tasks in Korea's regional policy were discussed with reference to the WDR 2009. Enhancing the density of the central city of each Economic Region, reducing the economic distance between cities and rural areas, and getting rid of the barriers to cooperation between provinces are the keys for the efficiency and the effectiveness of the regional policy. In addition, strengthening the national solidarity through collaborative development of 5+2 Economic Regions still remains as one of the major tasks of the Korean government.

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The Main Negative Factors of Military Influence on the Economic Environment of the Region and its Financial and Economic Security

  • Sytnyk, Yosyf;Havrychenko, Dmytro;Staverska, Tetiana;Primush, Roman;Erfan, Vitalii
    • International Journal of Computer Science & Network Security
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    • v.22 no.6
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    • pp.241-245
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    • 2022
  • The main purpose of the study is to determine the main factors influencing the economic environment of the region and its financial and economic security. Ukraine aspires to become a full member of the European Union, but the events of 2022 have changed everything. Full-scale military operations on the territory of Ukraine significantly affect its socio-economic situation Today, the issue of studying the negative impact of military operations on the economic environment is very relevant. Based on the results of the study, we have identified the main negative factors of the military impact on the economic environment of the region and its financial and economic security.

A Study on the Social and Economic Aspects of Environmental Impact Assessment in Small Scale Rural Development Projects (소규모 농촌개발사업의 사회.경제 부문 환경영향평가 방안 연구)

  • Hong, Chan-Sun;Im, Sang-Bong
    • Journal of Korean Society of Rural Planning
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    • v.9 no.4 s.21
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    • pp.9-18
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    • 2003
  • The objectives of the study are to improve techniques for social impact assessment and to suggest their measuring methods to apply in small scale rural development projects. Population, residence, industries, and traffic volumes were selected to measure the social and economic impact assessment of Seongeup agricultural water development project in Jeju Province. Existing data gathering methods were used to estimate the changes of population and traffic volumes. Interview schedule for villagers was applied to estimate the residents' satisfaction to living environments. Interview schedule for experts was applied to estimate agricultural productivity and land price. The results of social and economic impact assessment show that there will be considerable changes in living environments, agricultural productivity, and land price. On the contrary, the project will make little impacts on the changes of population, em-ployment, and traffic volumes.

Factors Influencing the Profitability of Listed Firms in Vietnam's Stock Markets

  • NGUYEN, Dinh Hoan
    • The Journal of Asian Finance, Economics and Business
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    • v.9 no.7
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    • pp.197-203
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    • 2022
  • The agricultural sector has an important contribution to the economic development of Vietnam in particular and other countries in general. The growth of enterprises in the industry is an important bridge in promoting the economic development of the country. Currently, the policies of the Government of Vietnam always create favorable conditions for enterprises to conduct business, especially enterprises in the agricultural sector. The study aims to assess factors influencing the profitability of listed firms in Vietnam's stock market. Using 40 enterprises in the agricultural industry listed on the Ho Chi Minh City Stock Exchange and the Hanoi Stock Exchange and using advanced econometric modeling, dealing with defects in the regression model, the research results show that large-scale firm has higher economic efficiency than small-scale firm. In addition, a firm with higher use of loan capital is associated with a more efficient firm, reflected in the relatively good debt management ability of enterprises in the agricultural sector. Adversely, growth and age do not have any impact on firm performance. Macroeconomic factors do not impact profitability. Finally, the study has some policy implications for developing agricultural businesses in the case of Vietnam.

Depression and Quality of Life in Korean Elders (일 지역 재가노인의 우울 및 삶의 질 영향요인)

  • Lee, Hung-Sa;Kim, Hyun-Sil;Jung, Young-Mi
    • Research in Community and Public Health Nursing
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    • v.20 no.1
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    • pp.12-22
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    • 2009
  • Purpose: This study was done to investigate factors associated with depression and quality of life (QoL) among the community-dwelling elderly. Methods: This study used a descriptive correlational research design. The subjects were 730 elders aged over 65 living in D district of Daegu. Data were collected using questionnaires for 30 days in April, 2007. The research instruments utilized in this study were a physical function scale of long-term care insurance system, Geriatric Depression Scale Short Form Korea Version (GDSSF-K), and Korean Quality of Life Scale (KoQoLs). The collected data were analyzed by descriptive statistics, t-test, ANOVA, Duncan, stepwise multiple regression, and Spearman correlation. Results: The mean age of the subjects was 72.6, and 68.8% and 57.9% of subjects were, respectively, female and living alone. 12.3% of variance in depression was explained by age, education, economic status, subjective health, alcohol consumption, condition of teeth, and fall experience. 18.2% of variance in QoL was explained by economic status, number of diseases, condition of teeth, incontinence, paralysis, and IADL. Economic status and condition of teeth were contributing factors to depression and QoL of the elderly. Conclusion: Findings of this study may be useful in understanding the health status of the community-dwelling elderly and developing more regionally specific health promotion strategies.

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Development a multidimensional assessment scale for work-family spillover in working couples with children (유자녀 맞벌이 부부의 다차원적 일-가족 전이 척도 개발)

  • Jang, Yoon-Ok;Jeong, Seo-Leen
    • Journal of Family Resource Management and Policy Review
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    • v.17 no.3
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    • pp.59-79
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    • 2013
  • The purpose of this study was to develop and validate a scale for the multidimensional assessment of work-family spillover in working couples with children. The subjects of this study were working wives and husbands with children in Daegu. Two surveys were administered, eliciting 243 respondents and 227 respondents, respectively. Then a series of tests were run to analyze the data, including item-to-total correlation, Cramer's V coefficients, item discrimination, Cronbach's ${\alpha}$, and exploratory and confirmatory factor analysis. The results yielded that, first, a preliminary 102 items were developed on the basis of the literature review, and this was narrowed down to 72 items selected with the help of experts. Through preliminary, primary and secondary survey analysis, the scale for the multidimensional assessment of work-family spillover was developed and validated, with a 36 items scale, 18 items for work to family spillover and 18 items for family to work spillover. Furthermore, the scale constructed three spillover processes - time interference, energy depletion, and psychological distraction - and consisted of four different domains of family life into which spillover occurs - namely marital relationship, parent-child relationship, leisure, and housework. The internal reliability was evaluated to show a confidence range of .85 ~.92 for each factor.

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Factors Influencing Alcohol Consuming behavior of the Female University Students (여대생의 음주행위 영향요인)

  • Kim Hee-Kyung;Choi Eun-Sook;Ann Jung-Sun
    • Child Health Nursing Research
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    • v.10 no.2
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    • pp.205-216
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    • 2004
  • Purpose: The purpose was to investigate the factors influencing alcohol consuming behavior of the female university students to provide the basic data for a nursing intervention program to improve health and prohibit of alcohol consuming behavior. Method: The subjects were 134 female university students, studying at K university and K educational university in Chungnam province from April 1 to 20, 2002. The instruments were the alcohol consuming behavior scale, that is drinking intensity score, and alcohol problem developed by Shin(1998), refusal self-efficacy scale by Aas et. al.(1995), alcohol expectancy by Goldman at. al.(1989), TPQ scale by Cloninger(1991), depression scale modified by Shin(1977) using Zung(1965)' tool, family cohesion scale by Olson at. al.(1983). The data were analyzed using descriptive statistics, Pearson correlation coefficient, canonical correlation and stepwise multiple regression. Result: The most powerful predictor of alcohol consuming behavior was influence of friends-drinking(21.0%). A combination of economic status(8.0%), and personality of novelty seeking(3.0%), accounted for 32.0% of the variance in alcohol consuming behavior. Conclusion: I recommended that economic status, influence of friends drinking frequently, and personality of novelty seeking were contained of the developing nursing intervention program for decreasing the alcohol consuming behavior in female university students.

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The Data Envelopment Analysis of Container Terminals to Transshipment Cargo (환적화물의 컨테이너 터미널 효율성 분석)

  • Park, Hong-Gyun
    • Journal of Korea Port Economic Association
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    • v.26 no.1
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    • pp.1-19
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    • 2010
  • This paper focuses measuring the efficiency of container yards on container terminals in Busan (Gasungdae, Shinsundae, Gamman, New Gamman, Uam, Gamchon, PNC) and Gwangyang(GICT, KEC, Dongbu, KIT) using Data Envelopment Analysis(DEA) approach. Container terminals in Busan and Gwangyang play an important role in the region's economic development. The results show that Shinsundae was an efficient DMU during the period of 2007 to 2009, while Gamman, New Gamman and PNC were efficient terminals in 2009. The very inefficient terminals were shown to be GICT, KEC, Dongbu and KIT. GICT(2009), KEC(2009), Dongbu(2008-2009), KIT(2009) on Gwangyang Port were found to be relatively the inefficient terminals in terms of the returns to scale. This study also finds that the efficiency of Shinsundae terminal was so high as to be abel to keep its efficiency in spite of the additional increase of the inputs from 2007 to 2009. Gamman terminal was in the decreasing returns to scale in 2009, while the other terminals were in the increasing returns to scale. It means that we are able to improve the efficiency of the Gamman terminal with increasing returns to scale through enlarging the scale.