Another depressing read. Some economists have argued that the 2007-2009 recession was a financial in nature, and these tend to be especially nasty. The last was the Great Depression and that took over a decade and the massive federal spending necessary to fight WW2. Japan is still digging out of its financial crash 20 years ago. We might only be in the middle of ours.
But according to the author, there are other factors at play which will delay recovery. These include an aging population, debt, and the economy's ongoing transition to a digital environment.
This should help guide us we approach discussions of public policy. What types of polices can alleviate this? Assuming any can, and we just have to wait it out.