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廖秋敏(1980-),女,黑龙江齐齐哈尔人,教授,硕士生导师,从事国际贸易理论与政策、矿产品贸易方面的研究工作。309144504@qq.com |
收稿日期: 2024-03-29
修回日期: 2024-05-24
网络出版日期: 2024-08-27
基金资助
国家社会科学基金项目“稀土产品全球贸易网络格局演化与中国战略地位提升研究”(21BGL182)
Study on the Evolution of Global Gallium and Germanium Metal Trade Network Patterns and Supply Crisis Dissemination
Received date: 2024-03-29
Revised date: 2024-05-24
Online published: 2024-08-27
镓和锗是广泛应用于高新技术领域的重要战略资源。为了估测原产地发生供应危机对全球各国造成的影响,选取了2002—2022年金属镓、锗的贸易数据,运用贸易网络分析方法探究全球金属镓、锗贸易网络格局演变;建立级联失效(雪崩)模型,确立参数r 1=r 2=7,模拟2022年不同爆发源供应危机传播状况。研究发现:从全球贸易格局演变来看,金属镓、锗贸易规模和贸易平均度上升,亚洲国家与美国的贸易依赖关系有所减弱,南美洲对美国消费市场的贸易依赖指数增强;从网络供应危机传播来看,中国危机传播规模最大,传播轮次最多,美国和德国次之;在未锻轧金属镓、锗产品的贸易中,美国不会受中国供应危机的直接影响,而是通过比利时和瑞士受到间接影响。
廖秋敏 , 谢柳燕 , 韩嘉雯 . 全球金属镓、锗贸易网络格局演变与供应危机传播研究[J]. 黄金科学技术, 2024 , 32(4) : 717 -730 . DOI: 10.11872/j.issn.1005-2518.2024.04.088
Gallium and germanium are essential strategic resources utilized in various high-tech industries.As a major supplier of these elements,China recently announced plans to implement export restrictions on gallium and germanium-related products from July 3,2023. Assessing the potential repercussions of a supply disruption at the source on a global scale holds significant practical importance.This study examines trade data for gallium and germanium spanning from 2002 to 2022,employing trade network analysis techniques to quantify trade volumes,and examines the average degree and flow direction of global trade in gallium and germanium metals, introducing the trade dependence index to further analyze the evolution of the global trade network pattern of these metals.Additionally,a cascade failure (avalanche) model is developed with established parameters r 1=r 2=7 to simulate the effects of export control on the supply chain in 2022,including the propagation scale,rounds,and path of supply crises originating from various sources.The research indicates that,in the context of the evolution of global trade patterns,there is an increase in both the trade volume and average degree of gallium metal and germanium.Additionally,the trade dependence between Asian countries and the United States on gallium metal and germanium has decreased,while the trade dependence index of South America on the U.S. consumer market has strengthened.Furthermore,in terms of the dissemination of network supply crises,China exhibits the largest scale of crisis dissemination and the longest duration of dissemination,followed by the United States and Germany.European countries are the predominant nations among the top ten countries in terms of avalanche size.The impact of the China’s supply crisis on the U.S. trade in unwrought metal gallium and germanium products is not direct,but rather indirect through intermediary countries such as Belgium and Switzerland.It is advisable to enhance supply security within the industrial chain through international economic cooperation,while also mitigating geopolitical risks stemming from the United States.Furthermore,expanding economic and trade relations with developing countries like Brazil is recommended.
嵩县山金竞得嵩县九仗沟西金矿普查探矿权
7月29日下午,嵩县山金公司成功竞拍取得嵩县九仗沟西金矿普查探矿权。
嵩县九仗沟西金矿普查探矿权起始价10.36万元,经过69轮竞价,嵩县山金公司最终以1 160.36万元摘牌。该探矿权的取得,将进一步提升嵩县山金公司资源储备,更为公司的长远发展注入了强劲动力,为公司后续的矿产资源开发和生产经营活动提供更加坚实的资源保障。
一直以来,嵩县山金公司始终秉承“将资源粮食的饭碗牢牢端在自己手上”的理念,在资源并购、探矿增储、生产接续上抓关键、突重点。在竞得探矿权之前,公司周密部署,进行了详尽的地质勘查与数据分析,组织专家团队深入实地,对潜在矿区进行多轮次、多维度评估。同时,加强与地方政府及各级部门的沟通协调,确保信息畅通,为科学决策提供依据。此外,公司还积极筹备资金,优化资源配置,确保在竞标过程中能够迅速响应,精准把握机遇,为后续相关工作推进提供坚实保障。
下一步,嵩县山金公司将迅速行动,集中优势资源,组织精干力量,以最快的速度、最高的效率推进探矿权区域的探矿工作,力求在最短的时间内摸清矿区的资源储量、矿体分布及矿石品位等关键信息,为后续的矿产开发打下坚实基础。同时,公司将启动相关权证的办理工作,确保探矿等工作合法合规。
嵩县山金矿业有限公司)
http://www.goldsci.ac.cn/article/2024/1005-2518/1005-2518-2024-32-4-717.shtml
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