global slowdown

- The basic Rogoff/Reinhart observation that financial collapses due to asset bubbles just take a long time to work through. Given the size of the 2008 collapse, historical evidence suggests that it's going to take five or six years to recover, and that's that. - The Tyler Cowen "Great Stagnation" hypothesis. We've picked through all the low-hanging economic fruit over the past century, and like it or not, we're now entering an extended period of low productivity growth because we're not inventing lots of cool new stuff. - The related (I think) investment drought hypothesis. Ben Bernanke…