한국항만경제학회지 (Journal of Korea Port Economic Association)

  • 제38권2호
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  • Pages.49-67
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  • 2022
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  • 1225-3855(pISSN)
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  • 2714-1330(eISSN)
한국항만경제학회 (The Korea Port Economic Association)
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해상운임지수와 상품가격 사이의 동적 연계성 분석

Analysis of Dynamic Connectedness between Freight Index and Commodity Price

  • 최기홍 (부산대학교 경제통상연구원) ;
  • 김부권 (부산대학교 경제학과)
  • 투고 : 2022.05.30
  • 심사 : 2022.06.29
  • 발행 : 2022.06.30
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⟨ 이전 논문 다음 논문 ⟩

초록

본 연구는 Diebold and Yilmaz (2012, 2014, 2016)의 분석방법을 적용하여 2007년 7월 19일부터 2022년 3월 31일까지 해상운임지수(BDI, BDTI, BCTI)에너지(원유, 천연가스, 석탄), 곡물(대두, 옥수수, 밀)을 대상으로 연계성을 분석하였다. 본 논문의 주요 분석결과는 다음과 같다. 첫째, 네트워크 분석 결과에 따르면 전체 분석기간의 경우 총 연계성은 20.43%로 측정되어, 해상운임지수와 상품가격 사이에 상호 연관성이 낮은 것으로 나타났다. 또한, 방향 연계성 결과를 살펴보면, 영향력이 가장 큰 변수는 옥수수로 나타났으며, 그 반대로 BDI가 가장 낮은 변수로 나타났다. 마지막으로 시기별로 구분하였을 때, COVID-19 기간에만 BCTI가 주도적인 역할을 하는 것으로 나타났다. 둘째, 표본이동분석결과에 따르면, 총 연계성이 금융위기, 무역전쟁, COVID-19 등과 같이 경제 상황의 변화와 특정 사건이 발생할 때 서로 간의 상호 연관성이 높은 것으로 나타났다.

This study applied the method of Diebold and Yilmaz (2012, 2014, 2016) to analyze the connectedness between the Freight Index (BDI, BDTI, BCTI), energy price(oil, natural gas, coal), and grain price(soybean, corn, wheat) from July 19, 2007 to March 31, 2022. The main analysis results of this paper are as follows. First, according to the network analysis results, the total connectedness was measured to be 20.43% for the entire analysis period, indicating that there was a low correlation between the freight index and the commodity price. In addition, looking at the directional results, the variable with the greatest effects was corn, and conversely, the variable with the lowest effects BDI. When classified by events, BCTI was found to play a major role only during the COVID-19 period. Second, according to the results of the rolling-sample analysis, the total connectedness be found to be highly correlated with changes in economic conditions such as the financial crisis, trade war, and COVID-19 when specific events occurred.

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과제정보

이 논문은 2021년 대한민국 교육부와 한국연구재단의 지원을 받아 수행된 연구임(NRF-2021S1A5B5A16078200)

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