如何提高美国的长期经济增长率

目前美国经济面临两个方面的挑战：一是经济复苏之路曲折艰难；二是实际经济增长率低于潜在经济增长率。短期来看，要推动美国经济快速复苏并提高就业水平，一方面应当永久性地降低税率、大幅降低政府债务水平；另一方面，应当推出基础设施建设支出规划。长期内，应通过增加劳动力供给、提升劳动力素质、提高资本积累速度和质量来提升长期经济增长率。

How to Raise the Long-Term Economic Growth of the United States

Currently, the US economy is faced with two challenges. Firstly, the road of economic recovery is unsmooth and difficult. Secondly, the actual economic growth rate is lower than the potential one. In the short run, in order to promote the quick recovery of US economy and enhance the employment, on the one hand, the tax rate should be permanently lowered and the government debt level should be largely reduced. On the other hand, the expenditure plan of infrastructure construction should be laid out. In the long run, the supply of labor should be raised, the quality of labor should be improved and the speed and quality of capital accumulation should be enhanced to raise the long-term economic growth.