2007年的全球经济出现了令人眼花缭乱的动荡因素:美国次级债危机突然爆发,金融机构纷纷告急,股票市场大跌,期货市场动荡,信贷市场紧缩;石油价格节节上升,连创新高,终于在进入2008年的第二天国际原油期货价格突破100美元;美元持续贬值,颓势一发不可收,对国际主要货币价格连创新低;国际粮食价格在美元贬值和石油价格的带动下,连创历史新高,2007年农业大宗商品价格的回报水 The dizzying turmoil in the global economy in 2007 saw the sudden onset of the subprime crisis in the United States, the crises in financial institutions, the stock market crash, the turmoil in the futures market and the credit market tightening. As oil prices hit a new high and reached a new high, The price of international crude oil futures hit an all-time low after the continual depreciation of the U.S. dollar. The price of international grain, driven by the depreciation of the U.S. dollar and oil prices, A record high, the return of agricultural commodity prices in 2007 the water