Policy makers must discuss an exit from the European Central Bank's liquidity measures now so as to avoid the emergence of new bubbles, Bundesbank board member Joachim Nagel told German weekly Magazine Der Spiegel. Noting that banks may use the ECB's cheap funds to take on risks that they should not, Nagel said, "It is important that we discuss exit scenarios now and signal to markets that it is not a given that things will continue as in previous months." Nagel's comments add to recent pressure from Bundesbank President Jens Weidmann, who has insisted that "we need this discussion" now. "That does not mean ... (full story)