后凯恩斯学派指出,现代经济本身就具有不稳定性。“在2011年年底,人们普遍预测2012年的世界经济前景黯淡。欧元区危机可能在这一年演变成一场波及全球的灾难。在2011年中,增长预期接近合理水平的发达国家只有日本和美国。七国集团在2011年第三季度内,国内生产总值大幅高于危机前峰值水平的成 The post-Keynesian school pointed out that the modern economy itself is not stable. ”By the end of 2011, it was generally predicted that the world economic outlook will be bleak in 2012. The euro zone crisis may have evolved into a global catastrophe this year, and in 2011 only Japan and the developed countries with growth expectations approaching a reasonable level United States. In the third quarter of 2011, the G-7’s GDP was significantly higher than the pre-crisis peak level