Implode-o-Meter News - Debt-to-GDP and Misdiagnosing a Bubble Economy's Ills

About a year ago, St. Louis Fed President James Bullard wondered whether too much faith was being placed in what models say economic growth should be but, as detailed in When Models Trump Common Sense, he was rebuffed by nearly the entire establishment (or at least "a small army of bloggers with PhDs in economics").
Now, in a story at Project Syndicate, Raghuram Rajan, Professor of Finance at the University of Chicago Booth School of Business and the IMF's youngest-ever chief economist tries to explain Why Stimulus Has Failed and, in doing so, questions whether the root cause of our current economic troubles is simply a lack of demand, casting himself as an Austrian sympathizer in the process:

Relevant:

Debt-to-GDP and Misdiagnosing a Bubble Economy's Ills