一、2008年以来国际油价走势2008年以来的国际油价先涨后跌,呈现出倒V字的走势(见图1),两个阶段的特征如下。前一阶段为上涨阶段,上半年国际油价延续去年的涨势,年初突破每桶100美元之后仍然一路向上,在美联储连续降息、美元走软、重要产油国局势动荡、欧佩克拒绝增产等因素的刺激下, I. International Oil Price Trend Since 2008 International oil prices have risen and then dropped since 2008, showing the trend of inverted V (see Figure 1). The characteristics of the two phases are as follows. The previous phase was a period of rising. In the first half of the year, international oil prices continued their gains last year. After breaking above 100 U.S. dollars a barrel at the beginning of the year, they continued their upward trend. As the Federal Reserve cut interest rates continuously, the US dollar weakened, turmoil in the major oil-producing countries and refusal to increase production by OPEC, under,