大宗商品是指可进入流通领域,但非零售环节,具有商品属性,用于工农业生产与消费使用的大批量买卖的物质商品。在金融投资市场,大宗商品指同质化、可交易、被广泛作为工业基础原材料的商品,如原油、有色金属、农产品、铁矿石、煤炭等。据商务部统计,2014年我国货物进出口总额为4.86万亿美元,成为世界第一货物贸易大国,“中国因素”成为影响全球大宗商品价格波动的关键因子。浙江外向型经济发 Commodity refers to bulk commodities that can enter the circulation field, but not in the retail sector, and have the attributes of commodities and are used for mass production and sale in industrial and agricultural production and consumption. In the financial investment market, commodities refer to commodities that are homogeneous, tradable and widely used as raw materials for industrial purposes such as crude oil, non-ferrous metals, agricultural products, iron ore and coal. According to the statistics of the Ministry of Commerce, China’s total import and export of goods amounted to 4.86 trillion U.S. dollars in 2014, making it the world’s number one trade country for goods and the “China factor” has become a key factor affecting the volatility of global commodity prices. Zhejiang export-oriented economy