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NTIS 바로가기대한토목학회논문집 = Journal of the Korean Society of Civil Engineers, v.35 no.2, 2015년, pp.471 - 480
여동훈 (현대건설 녹색환경사업실) , 유기원 (연세대학교 토목환경공학과) , 이강욱 (연세대학교 토목환경공학과) , 한승헌 (연세대학교 공과대학 사회환경시스템공학부)
The market of public-private partnership (PPP) projects has reduced from 9.4 trillion won in 2007 to 4.5 trillion won in 2012. However, the need of PPP projects is brought up by a massive down scale of government financial business. Previous studies regarding PPP projects mostly evaluate profitabili...
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
구조방정식 모델이란 무엇인가? | 구조방정식 모델(Structural Equation Model)은 직접적인 측정이 불가능한 잠재요인들을 측정변수(observed variable)들을 이용해서 간접적으로 측정한 다음, 이들 잠재변수(latent variable)들 간의 이론적인 인과관계를 분석할 수 있도록 개발된 통계기법이다(Kline, 2005). 구조방정식 모델은 회귀분석과는 달리 측정오차를 고려하여 분석결과를 제시하므로 회귀분석 보다 사회현상에 대한 설명력과 결과에 대한 신뢰성을 지니며, 여러 변수들 간에 복잡하게 얽혀진 인과관계를 동시에 분석할 수 있다는 장점이 있다. | |
최소비용보전방식도입시 장점은? | 실제로 민간투자사업 활성화 방안의 일환으로 운영비용을 정부가 일부 지원하는 최소비용보전방식(Minimum Cost Support, MCS)의 도입 필요성이 제기된 바 있다(Hwang, 2013). 이를 통해 거가대교를 포한한 기존 운영 중인 많은 민간투자사업의 재구조화가 진행되었으며, 신규 사업에 대해서도 MCS 방식을 통해 정부는 기존 방식에 비해 낮은 사업 사용료를 실현할 수 있고 민간사업자는 리스크가 낮은 안정적인 수익을 추구할 수 있어 사업 활성화에 기여할 수 있을 것이라는 전망도 나오고 있다(Lee, 2014). 그밖에도 정부재정의 부담을 최소화하는 가운데 민간투자사업 활성화를 위한 방안으로 BTL 및 BTO의 혼합방식 도입, Shadow Toll 등 신규모델 등이 검토되고 있으며, 이를 활용하기 위한 제도적 기반의 필요성 또한 강조되고 있다(Kwak et al. | |
민간투자사업의 긍정적 효과는 무엇인가? | 아울러, 민간투자사업은 정부의 부족한 재정보완을 포함하여 인프라 건설 분야에 민간의 창의와 효율을 도입해 재정투자 효율성 제고, 운영비용 절감, 프로젝트 금융(Project Financing) 활성화로 연관사업 발전 등 경기활성화 측면의 긍정적 효과가 있다(Hayford and Clayton, 2006). 또한, 정부재원이 부족한 개발도상국을 중심으로 민간투자사업이 활발히 추진되고 있어 국내 뿐 아니라 해외사업에서도 민간투자사업에 대한 수요는 지속성장할 것으로 전망되며(Stewart and Yermo, 2012), 글로벌 인프라 이니셔티브(GII, Global Infrastrucure Initiative)와 중국의 아시아 인프라 투자은행(Asian Infrastructure Investment Bank, AIIB) 설립계획 등으로 민간투자사업이 국제사회의 관심사로 떠오르고 있다(Bang, 2014). |
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