• Journal of Preventive Medicine and Public Health
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• 제46권6호
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• pp.300-308
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• 2013

Objectives: The purpose of this study was to classify determinants of cost increases into two categories, negotiable factors and non-negotiable factors, in order to identify the determinants of health care expenditure increases and to clarify the contribution of associated factors selected based on a literature review. Methods: The data in this analysis was from the statistical yearbooks of National Health Insurance Service, the Economic Index from Statistics Korea and regional statistical yearbooks. The unit of analysis was the annual growth rate of variables of 16 cities and provinces from 2003 to 2010. First, multiple regression was used to identify the determinants of health care expenditures. We then used hierarchical multiple regression to calculate the contribution of associated factors. The changes of coefficients ($R^2$) of predictors, which were entered into this analysis step by step based on the empirical evidence of the investigator could explain the contribution of predictors to increased medical cost. Results: Health spending was mainly associated with the proportion of the elderly population, but the Medicare Economic Index (MEI) showed an inverse association. The contribution of predictors was as follows: the proportion of elderly in the population (22.4%), gross domestic product (GDP) per capita (4.5%), MEI (-12%), and other predictors (less than 1%). Conclusions: As Baby Boomers enter retirement, an increasing proportion of the population aged 65 and over and the GDP will continue to increase, thus accelerating the inflation of health care expenditures and precipitating a crisis in the health insurance system. Policy makers should consider providing comprehensive health services by an accountable care organization to achieve cost savings while ensuring high-quality care.

• 한국토양비료학회지
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• 제43권6호
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• pp.782-788
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• 2010

Detail management standard on soil conditions in 'Kyoho' grapes were not yet made. Therefore, this study was carried out to investigate the optimum soil environmental conditions on production of high fruit quality in 'Kyoho' grapes. We established using correlation between fruit quality and soil condition. These results were used to develop soil management guideline with promoting efficiency and minuteness in grape vineyard. Soil conditions were analyzed at total 80 vineyards in major grape producing areas such as Ansung, and Cheonan (40 orchards an area). The soil environmental factors affected fruit weight were soil pH of 36.6%, cultivation layer depth of 23.3%, and cation of 17.8%. The soil condition factors affected sugar content were soil hardness of 24.4%, cation of 24.1% and organic matter content of 22.1%. Cultivation layer depth, soil texture, and phosphate content were low as relative contribution. Coloring was involved with organic matter content, CEC (cation exchange capacity), and saturated hydraulic conductivity. while soil pH, cultivation layer depth, and phosphate content showed low contribution. Finally, relative contribution on fruit quality related with sugar content, fruit weight, and coloring were soil hardness of 28.0%, organic matter content of 25.0%, soil pH of 12.9%.

• 한국항만경제학회지
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• 제23권4호
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• pp.49-69
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• 2007

본 연구의 목적은 한국의 항만물류산업의 성장회계분석을 통하여 경제성장의 기여요인을 분석하는 것이다. $1990{\sim}2003$년간 항만물류산업은 전 산업 평균에 비하여 총요소생산성과 노동의 기여도는 높고 자본스톡 기여도는 낮다. 외환위기 전후로 항만물류산업의 성장 패턴은 크게 변화하였다. 외환위기 이전, $1990{\sim}1998$년간 항만물류산업의 경제성장률은 14.1%로 전 산업 평균 경제성장률 7.7%보다 크게 높고 그 주된 기여요인도 자본스톡과 총요소생산성으로 나타나지만 이들의 기여도는 전 산업 평균에 미치지 못하였다. 외환위기 이후, $1998{\sim}2003$년간 항만물류산업의 경제성장률은 5.4%로 전 산업 평균(10.1%)에 크게 미치지 못하였고 경제성장에 대한 기여도는 자본스톡 13.1%, 노동 57.0%, 총요소생산성(성장률) 29.9%로 노동에 의존한 성장패턴이 총요소생산성의 성장률 저하와 함께 경제성장률을 격감시키는 결과를 초래하였다.

• 한국초지조사료학회지
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• 제11권2호
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• pp.90-96
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• 1991

This experiment was carried out in order to estimate the recovery days of root and stubble to the days after cutting, and contribution of specific stubble weight on the regrowth was examined using the relationships between the dry weight of shoot and yield components, and regrowth parameters by the days after cutting. The varieties examined were Maprima, Manhattan, Tove, Peramo, Caliente, Tempo and P-2 grown under individual plant basis. The results are may be summarized as follows: 1. Dry weight of root and stubble were recovered up to 13.5 and 11 days after cutting, respectively. 2. Dry weight of shoot(regrowth parts+stubble) was affected significantly by the varieties, stages of regrowth and variety x stage of regrowth. 3. The variety with tiller weight type showed higher average productivity of shoot than those of the variety with tiller number type. 4. Absolute growth rate(AGR) of shoot was correlated significantly with regrowth parts, stubble, root and weight of a tiller at the early stage of regrowth(up to 12 days after cutting), and correlated with regrowth parts, stubble, weight of tiller and stubble area at the late stage of regrowth(up to 20 days after cutting). 5. Contribution of specific stubble weight to absolute growth rate of shoot was different between the stages of regrowth. Thus, regrowth parts per specific stubble weight(RP1SSbW) and weight of tiller per specific stubble weight(WT1SSbW) contributed to absolute growth rate of shoot at the early stage of regrowth, and efficiency of specific stubble weight(ESSbW), regrowth parts per specific stubble weight (RPISSbW) and weight of a tiller per specific stubble weight(WT1SSbW) contributed to absolute growth rate of shoot at the late stage of regrowth. 6. Regrowth utilization rate(RUR) was one of the useful regrowth parameter to indicate the regrowth potential of grasses.

• 한국정보통신학회논문지
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• 제26권1호
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• pp.153-161
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• 2022

본 연구는 콘텐츠 제공자를 포함한 플랫폼 사업자가 광대역 인터넷 접속을 통해 고품질의 콘텐츠를 제공하는 경우 보편적 서비스 기여금을 분담할 때 이것의 경제적 효과를 분석한다. 주요 결과는 다음과 같다. 첫째, 플랫폼 사업자가 독점적 위치에 있다면 트래픽 이용량은 사회적 최적 수준보다 적으며, ISP가 결정하는 가격들은 콘텐츠 수요의 가격민감도에 영향을 받는다. 둘째, 플랫폼 사업자가 경쟁적인 경우 ISP가 책정하는 요금은 사회적 최적 수준과 동일하다. 셋째, 플랫폼 사업자가 콘텐츠 요금을 부과하지 않는 경우는 ISP는 요금을 사회적 최적 수준으로 결정하고 광고 수입이 많을수록 소비자에게 부과하는 망 이용대가는 줄어든다. 이는 플랫폼 사업자에게 고품질 콘텐츠 서비스를 제공할 수 있는 네트워크 서비스를 이용하는 대신, 보편적 서비스 기여분 분담을 의무화한다면 사회후생은 증가될 수 있기 때문에 플랫폼 사업자에게 보편적 서비스 기여분을 분담하는 것이 사회적으로 바람직하다는 것을 시사해 준다.

• 한국해양환경ㆍ에너지학회지
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• 제6권4호
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• pp.37-44
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• 2003

목포항 해양수질개선에 대한 목포하수처리장 가동의 기여도를 평가하고 목포하수처리장 가동 후에 목포항에 유입하는 오염부하의 변화를 산정하기 위하여, 하수처리장 가동 전인 1997년 여론부터 1998년 봄까지의 건조기에 육지로부터 목포항에 유입하는 오염부하를 조사하고 목포항 주변의 하천들과 처리장 유출수의 계절별 유량 및 수질을 기초로 하여 유입오염부하를 산정하였다. 또한 하수처리장 가동 후인 1998년 겨울부터 1999년 볼까지 목포항에 유입하는 오염부하를 조사하고 목포하수처리장의 유입수 및 유출수의 오염부하를 산정하였다. 하수 처리장의 처리율은 화학적산소요구량(COD)이 약 49%, 총부유성고형물(TSS)이 약 76%, 휘박성부유물(VSS)이 약 79%, 총질소(T-N)가 약 3%, 용존무기인(DIP)이 약 7%, 총인(T-P)이 약 29%, 용존무기질소(DIN)가 약 -32%를 보였다. 하수처리장 가동으로 인한 목포항 내항수역 유입오염부하 변화율은 COD가 약 56%, TSS가 약 78%, VSS가 약 84%, DM이 약 45%, T-N이 약 22%, T-P가 약 34%, DIP가 약 -14%를 보였다. 목포항 전역으로 유입하는 총오염부하의 감소에 대한 하수처리장 가동의 기여율은 COD가 약 3%, TSS가 약 3%, VSS가 약 5%, DIP가 약 1%, T-P가 약 3%, DIN이 약 -1%로 나타났다.

• Journal of Photoscience
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• 제3권3호
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• pp.147-151
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• 1996

Dynamics of contact ion-pair between 1, 2, 4, 5-tetracyanobenzene anion and cation of biphenyl derivatives was investigated on the picosecond time scale. Solvent effect on the electron transfer was observed and electron transfer rates were examined using Marcus equation which contains distance dependence of the electron transfer rate in the frequency factor, along with the consideration of molecular shape. From the discussion based on disk model for molecular shape, contribution of interring torsional motion of biphenyl to the inner-sphere reorganization energy is strongly suggested, which leads to the physical explanation for the observed solvent effect on the rate of electron transfer.

• 보건행정학회지
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• 제7권1호
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• pp.73-99
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• 1997

This study was carried out by using questionnaires with 126 insurance societies from Sept. 30, 1995 to Oct. 18, 1995. The primary data collected bythe survey have been significantly supplemented by secondary data obtained from sources such as health insurance statistical year books and internal data in the Ministry of Health and Wolfare. Major findings were summarized as follows: Two financial coordinating programs have significantly improved financial status of regional health insurance societies: the catastrophic program for high cost medical care that was initiated in 1991 and the program for hospitalization cost of the aged in 1995. Another finding is that there existed ambiguity and inconsistency of equity index that had been used by stabilization programs and its side effects could not be ignored. Regression analyses were made to identify factors that affect financial transfers. Inde pendent variables in the regression include utilization frequency, dependancy ration, insurance contribution per insured and medical expense per insured. All these variables were statistically significant in the equations of applying distribution rate (distribution/contribution) and transfer rate (transfer/contribution) as dependent variables. Policy suggestions for the catastrophic program for high cost medical care are modifying the definition of catastrophic case and setting the maximum amount of subsidies for each society based on distribution rates. To solve the problems of the financial coordinating program for the aged, we could consider reimbursing more than 50% of the copayment incurred by the aged 65 or more and determining the maximum amount of outpatient copayment at 10,000 Won per day or per visit for the elderly. More fundamental improvement could be made by amending the Welfare Benefit Act to establish and expand medical and welfare facilities for the elderly.

• 공학교육연구
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• 제12권4호
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• pp.18-29
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• 2009

본 연구는 반도체 설계 공정 분야에서 요구하는 지식과 스킬에 대하여 공과대학의 교육과정이 어느 정도 반영하고 있는지를 분석하기 위해 수행하였다. 공과대학 산업기여도 평가를 실시한 결과 산업계에서 요구하는 지식과 관련된 내용은 교육과정 반영정도는 높으나, 스킬과 관련된 내용은 반영정도는 낮았고, 산업계에서 요구하는 지식과 스킬이 대학에서 교과목으로 개설된 정도에 비해 졸업생들의 이수정도는 매우 낮은 것으로 나타났다. 산업계 요구 지식 스킬에 대한 졸업생의 업무활용 만족도는 상대적으로 높았고, 기초역량에 비하여 직무역량이 대학교육에서의 습득정도가 다소 낮았으며, 대학별 평가결과, 학교간의 역점을 두는 교육과정에 차이가 있는 것으로 나타났다.

• 성인간호학회지
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• 제25권3호
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• pp.275-288
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• 2013

Purpose: The purpose of this study was to perform an economic analysis and estimate the fee for the practices that carried out by Emergency Nurse Practitioner (ENP) using relative value scale (RVS) and its conversion factor. Methods: First, we developed ENP's RVS for 25 advanced nursing services based on ENP's workload and its time spent by survey. A cost analysis was performed to evaluate the conversion factor of ENP's RVS. The share of ENP's contribution to fee-for-service in emergency setting was also analyzed. Results: Calculation of the RVS of 25 advanced nursing practices showed a range of points from 73.4 to 296.3 and an average of 145.1 points. The relevant conversion factor for advanced nursing practices among ENP was estimated at 12.2~15.9 won. The contribution rate of ENP's advanced nursing practices in the relative value scale of the national health insurance was estimated at 13.1~17.0%. Conclusion: The practices of ENP are not compensated separately and its reimbursement is usually included in physician fee. An estimation of nursing fee and an independent fee related to ENP's services shows the contribution rate to total revenue. It suggests that emergency nurse practitioners be considered as a revenue source the in emergency room.