The European Central Bank should not be complacent if its ultra- easy policy fuels bubbles because the tools devised to mitigate these imbalances are in their infancy, Bundesbank President Jens Weidmann said on Friday. With rates likely staying in negative territory for years, the ECB warned this week that bubbles may already be forming but said it was up to governments to place limits on the financial sector as the ECB’s focus should be on raising inflation back to target. “Monetary policy cannot be complacent if its policy stance raises long-term risks to price stability through the build-up of financial ... (full story)