"Sure, buying and selling government debt in the open-market is how central banks control short-term interest rates. That's why the Fed Funds rate is a target, and the actual outcome in the marketplace is instead known as the Effective Fed Funds. Bidding short-term bills higher (or lower) in price, the New York Fed thus pushes down (or up) the interest rate paid on those bills. But stuffing the market with money, in contrast, is a very different aim. Not least when you do it by buying longer-term bonds. And by only buying, rather than fine-tuning purchases with sales. And by doing it amid the heaviest net issuance of government debt in history. And by doing it so hard that, despite that record issuance, you still need to break your own limit on the proportion of any individual maturity-date you're allowed to own." Read more. "Totally Standard Hyper-Inflation"
Resource Investor, December 1, 2010. Image by Salvatore Vuono / FreeDigitalPhotos.net.