Impact Assessment Model of International Transportation Infrastructure Development: Focusing on Trade and Freight Traffic in Central Asia

Impact Assessment Model of International Transportation Infrastructure Development: Focusing on Trade and Freight Traffic in Central Asia
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国际交通基础设施发展影响评估模型:聚焦中亚贸易和货运

DOI:
10.11175/eastsats.4.159
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发表时间:
2016
影响因子:
--
通讯作者:
H.
H.
中科院分区:
--
文献类型:
--
作者:
Tanabe;S.;Shibasaki;R.;Kato;H.

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本文分析了口岸服务改善对中亚地区国际货物运输的预期影响。建立了基于用户均衡原理的货运网络分配模型,并将该模型与全球一般均衡模型相结合,分析了基础设施发展对区域经济贸易的影响。模拟了三个案例,以评估过境服务的改善。结果表明,跨境服务的改善在短期内显著降低了国际运输成本,促进了进出口贸易流量。然而,区域贸易的进一步增长会导致交通拥堵,从而导致国际运输成本的增加,可能会减少往来于中亚地区的长期贸易量。因此,分析表明,进一步改善中亚地区的运输服务是区域贸易可持续增长的先决条件。
This paper analyzes the expected impacts of improved border-crossing services on international freight transportation in Central Asia (CA). It develops a freight traffic networkassignment model based on the user equilibrium principle, and the developed model is combined with a global general equilibrium model to analyze the impacts of infrastructure development on regional economy and trade. Three cases are simulated to assess the improved border-crossing services. The results show that improvements in border-crossing service provision significantly decrease international transportation costs and boost trade flows in and out of CA in the short run. However, further growth of regional trade causes traffic congestion, which leads to an increase in international transportation costs, potentially reducing long-run trade volumes to and from CA. The analysis thus suggests that further improvement of CA transportation services is a prerequisite for the sustainable growth of regional trade.
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