European Central Bank Executive Board member Benoit Coeure said unconventional monetary policy may have to be used differently and more frequently if governments don’t act to boost the growth potential of euro-area economies. “We may see short-term rates being pushed to the effective lower bound more frequently in the event of macroeconomic shocks,” Coeure said Saturday in a speech at the U.S. Federal Reserve’s annual policy symposium in Jackson Hole, Wyoming. His remarks were posted on the ECB’s website. “We will fulfill the price stability mandate given to us,” Coeure said. “But if other actors do not take the ... (full story)