Endogeneity of commodity price in freight cost models
In this paper, we answer a novel question on how the value of goods carried can affect the freight cost. We focus on the issue based on a more specialized freight market involving transport of seaborne iron ore from mining ports to Qingdao in China during the period 2014 to 2019. We construct simult...
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| Format: | text |
| Language: | English |
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Institutional Knowledge at Singapore Management University
2022
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| Online Access: | https://ink.library.smu.edu.sg/lkcsb_research/6826 https://ink.library.smu.edu.sg/context/lkcsb_research/article/7825/viewcontent/Endogenity_2021_av.pdf |
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| Institution: | Singapore Management University |
| Language: | English |
| Summary: | In this paper, we answer a novel question on how the value of goods carried can affect the freight cost. We focus on the issue based on a more specialized freight market involving transport of seaborne iron ore from mining ports to Qingdao in China during the period 2014 to 2019. We construct simultaneous systems of demand–supply equations on both the iron ore market and the freight market. In the models, we explain how endogeneity of iron ore as a regressor can arise due to the nexus between the two markets, and that the freight demand is largely a derived demand from iron ore demand by PRC firms importing the iron ore. Employing instrumental variable two-stage least squares regression, it is shown that iron ore price negatively affects, ceteris paribus, the freight rate of bulk carriers ferrying the iron ore. Industrial growth, bunker fuel oil, Baltic Dry Index, and transport distance have positive effects on the freight rates. |
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