• Title/Summary/Keyword: 국제유가

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Asymmetric Adjustment in Domestic Petroleum Prices Before and After the Opinet (국내석유제품가격의 국제유가 대칭성 분석 -Opinet(오피넷) 개통을 중심으로)

  • Koh, Yukyung
    • Environmental and Resource Economics Review
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    • v.22 no.4
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    • pp.581-612
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    • 2013
  • Opinet is the system that has announced the daily domestic petroleum price data from April 2008. This study's goal is to examine if the domestic petroleum(gasoline and diesel) prices adjust their prices asymmetrically comparing before-Opinet with after-Opinet. The results of this study found the evidence of asymmetric domestic petroleum prices before the Opinet and the evidence of symmetric domestic petroleum prices after the Opinet. Also the domestic petroleum prices after the Opinet adjust upward/downward nearly twice as fast when its actual value is below/above its equilibrium. According to this study, the domestic petroleum market works more efficiently than before.

A Study on the Application of UNIDROIT Principles in International Commercial Transaction (국제상거래에서의 UNIDROIT원칙 적용에 관한 연구 - 국제물품매매계약에 관한 유엔협약(CISG)과의 비교를 중심으로 -)

  • Woo, Kwang-Myung
    • International Commerce and Information Review
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    • v.14 no.3
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    • pp.453-479
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    • 2012
  • The increase in international trade is clearly reflected by litigation and arbitration. Despite the importance of international commercial transaction, until very recently little was known about how the law interacts with actual practice. The CISG obviously plays an important role, but we are concerned with using choice of law to resolve issue that the CISG leaves unresolved. The case law UPICC is now accessible by means of UNILEX, the database on international case law that focus on CISG cases. The courts and arbitration tribunals throughout the world are developing a growing body of international case law on issues not resolved by the CISG, though arising from transactions to which the CISG applies. The application of the CISG is obligatory due to its nature as hard law an international convention. However, UPICC are only restatements and more flexibility, comprehensive instrument than CISG. This article offers to promote the UPICC application from their present status as a mere soft law instrument through analysing UNILEX cases.

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국제유가 흐름에 대한 시계열분석접근

  • Park, Ju-Ho
    • Environmental and Resource Economics Review
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    • v.4 no.1
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    • pp.103-124
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    • 1994
  • 주요 현물유가(WTI, Brent, Oman, Dubai)와 선물유가간의 동태적 관계를 시계열 분석 방법을 이용하여 살펴보았다. 현물유가 및 선물유가들은 1차 적분된 시계열(I(1))로 보여진다. 현물유가들사이 및 현물유가와 선물유가사이에도 공적분관계(cointegration relation)가 있는 것으로 보여진다. 한편, 선물유가는 현물 유가를 인과(Granger-cause)하지만, 현물유가는 선물유가를 인과하지 않는 것으로 나타났다. 이러한 공적분관계 및 인과관계의 결과는 합리적 기대가설(rational expectations hypothesis)에 의한 효율적 석유시장(efficient oil markets)과 일치하는 것으로 보여진다. 수정오차모형(error correction model)에 의해 3/4분기 및 4/4분기의 유가들을 예측해 보았다.

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