Are We Hooked On QE? [SPDR S&P 500 ETF Trust, PowerShares QQQ Trust, Series 1 (ETF), ProShares Short S&P500 (ETF), SPDR Dow Jones Industrial Average ETF, ProShares UltraShort S&P500 (ETF), ProShares Ultra S&P500 (ETF), ProShares Short QQQ (ETF)] – Seeking

What do we actually know with some degree of certainty (“stylized facts”) about QE, its effects on the markets and the economy? Well, for starters, the sheer size of it. Since 2007, the big four central banks (Fed, ECB, BoJ, BoE) have embarked on nearly $5 trillion of asset purchases [The Economist]. That’s an altogether rather formidable sum.

via Are We Hooked On QE?