由于如下三项错配,全球经济增速低于潜在增速:总需求低于总供给;投资资金过多而投资不足;技术进步导致收入分配恶化。第一,相对于总供给,总需求不足。在金融危机之后,全球产出缺口连续五年在GDP1.5%~2%的范围之间。实际上,由于大宗商品价格下跌以及世界贸易的下滑,新兴市场国家经济增速也在下滑。财政还有空间的国家,已经开始采取政 Global economic growth is below potential growth due to the following three mismatches: aggregate demand is below total supply; investment overcapacity and underinvestment; and technological advances lead to deterioration in income distribution. First, relative to the total supply, the total demand is insufficient. After the financial crisis, the global output gap has been between 1.5% and 2% of GDP for five consecutive years. In fact, economic growth in emerging market countries is also declining due to the drop in commodity prices and the decline in world trade. Countries that have fiscal space still have begun to take political action