众所周知,2008年和2009年世界经济主要是受金融危机的影响,但2010年债务危机已经取代金融危机,成为威胁各国经济发展的主要原因。据统计,2010年,欧盟27国总体财政赤字占GDP的比重为6.4%,公共债务占GDP的比重为80%;美国自1987年成为世界上最大的净债务国以来,其债务增长十分迅速;日本财政赤字接近GDP的10%,国 As we all know, the world economy in 2008 and 2009 was mainly affected by the financial crisis. However, the debt crisis in 2010 has replaced the financial crisis and has become a major threat to the economic development of all countries. According to statistics, in 2010, the overall fiscal deficit in the EU27 accounted for 6.4% of GDP and public debt accounted for 80% of GDP. Since the United States became the largest net debtor nation in the world in 1987, its debt grew rapidly; Japan’s fiscal deficit is close to 10% of GDP, the country