The Swedish central bank just lowered interest rates to zero because of deflation risks. This action comes after ignoring repeated warnings from Lars Svensson who had joined the bank in 2007 and later resigned because of disagreements with monetary policy decisions. What it is interesting is the parallel between Riksbank decisions and ECB decisions. In both cases, these central banks went through a period of optimism that make them raise interest rates to deal with inflationary pressures. In the case of Sweden interest rates were raised from almost zero to 2% in 2012. In the case of the ECB interest rates were raised from 1% to 1.5% during 2011. Also, in both cases, after a significant expansion in their balance sheets following the 2008 crisis, there was a sharp reduction in the years that followed. During 2010 the balance sheet of the Riksbank was reduced by more than 50%. In the case of the ECB it was later in 2013 when the balance sheet shrank by about 1 Trillion Euros. Their polic...