I agree that secular stagnation and the global savings glut are the real problems but Keynesian fiscal spending is supposed to be periodic to counter cycles. It

I agree that secular stagnation and the global savings glut are the real problems but Keynesian fiscal spending is supposed to be periodic to counter cycles. It cannot fix long term secular trends. A worldwide monetary policy change that keeps real interest rates sufficiently negative to be in line with private market rates is the only real solution.