Until recently, the rate of expansion in global central bank balance sheets seemed likely to remain extremely high into the indefinite future. Although the US Federal Reserve had frozen its balance sheet, both the European Central Bank and the Bank of Japan were pursuing open-ended programmes of asset purchases, and the Bank of England actually increased its intended stock of assets by £50bn in August. Global central bank balance sheets were rising by about 2 percentage points of GDP per annum – a similar rate to that seen since 2012.
Some commentators argued that the central banks would never step aside from their programmes of balance-sheet expansion. After QE1, 2 and 3, we would get “QE infinity”. Others argued that unlimited quantitative easing would result in disaster, either through rapidly rising inflation, or bubbles in asset markets.
Neither of these dark outcomes has occurred. Instead, it seems that policy makers are moving away from QE because it is no longer effective and no longer necessary. “QE infinity” is coming to an end, not with a bang but with a whimper. Read more