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http://dx.doi.org/10.38121/kpea.2020.12.36.4.93

Analysis of dependence structure between international freight rate index and U.S. and China trade uncertainty  

Kim, Bu-Kwon (부산대학교 경제학과)
Kim, Dong-Yoon (부산대학교 무역학부)
Choi, Ki-Hong (부산대학교 경제통상연구원)
Publication Information
Journal of Korea Port Economic Association / v.36, no.4, 2020 , pp. 93-106 More about this Journal
Abstract
Trade is an important economic activity. In particular, since the establishment of the World Trade Organization (WTO), the scope of trade has been expanding due to events such as the entry of China into the WTO in 2001, the establishment of a multilateral trading system, mitigation and integration of trade barriers, and the establishment of the free trade agreement (FTA). Despite the expansion of the trade market, however, extreme events such as the 2008 global financial crisis, the 2016 Brexit, and the 2018 US-China trade war have had a direct negative impact on the trade market. Therefore, the present this study analyzed the dependence structure between the international shipping freight rate index, a variable representing trade activities, and the trade uncertainty between the US and China. The following is a summary of the analysis results. First, the US-Chinese trade policy uncertainty and international shipping freight rate index presented a Frank copula and rotated Clayton copula 270° distribution, respectively, showing the same distribution structure for each country. Second, the Kendall's tau correlation revealed a negative dependence between the international shipping freight rate index and US-Chinese trade policy uncertainty. The degree of dependence was greater in the combination of uncertainty in China's trade policy and international shipping freight rates. In other words, the dependence of global demand and trade policy uncertainty confirmed that China was stronger than the US. Finally, the tail dependence results revealed that the US-Chinese trade policy uncertainty and international shipping freight rates were independent of each other. This means that extreme events related to the trade policy uncertainty or international shipping rate index were not affected by each other.
Keywords
Copula Model; Trade; Trade Policy Uncertainty Index; Baltic Dry Index;
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