the markets. That's where the open-ended feature of QE III comes into play. There is no predetermined end date. The Federal Reserve will continue to purchase mortgage-backed securities until it is satisfied with the improvement in the economy (particularly improvement in the labor market.) This guarantees the flow won't stop -- as with QE I, QE II and Twist -- until it can stop. And at this point, why WOULD it stop? Why QE Can, Reason No. 2: Subpar Growth Backdrop Inflation was a big concern of critics when prior installments of QE were unleashed on the economy. But growth in the current QE III environment is far lower. At the same time, commodity prices are also bogged down. This suggests the Fed doesn't need to be concerned with inflation right off the bat. It may be something they address down the road, but they can breathe easy for now ... at least until food and energy prices start rising again, thanks to the consistent flow of QE III. Why QE Can, Reason No. 3: Rising C&I Loans A big problem with the efficacy of early QE installments was the lack of impact on the real economy. The whole mission was to juice the lending system and generate economic activity. That is, before the Fed's "wealth-effect" admission made clear its focus on supporting asset prices. Oops. What many may come to agree on is the fact that the Fed's actions did what policymakers have learned to do so well: Buy