中文摘要：

通过探讨影响中国进口铁矿石价格波动的几个重要因素,并采用协整检验方法对影响我国铁矿石进口价格的因素进行实证分析,得出以下结论：我国铁矿石进口价格与全球铁矿石进出口量、中国钢铁行业集中度、波罗的海干散货指数和美元指数之间均存在长期协整关系,影响中国进口铁矿石价格波动的最重要因素是全球铁矿石贸易量、中国钢铁行业市场结构、运输费用和汇率。

英文摘要：

This paper discusses several important factors affecting China＇s imported iron ore price volatility and uses co-in- tegration test methods for empirical analysis of the influencing factors of China＇s imported iron ore. This paper also makes following conclusions that there is the long-term co-integration relationship between China＇s iron ore import price and the global iron ore export volume, China＇s steel industry concentration, the Baltic Dry Index and the U.S. dollar index. The most important factor affecting price volatility China＇s imports iron ore is global iron ore trade, market structure of China＇s steel industry, transportation costs and exchange rates.