Mario Draghi, president of the European Central Bank (ECB), listens at a press conference following an International Monetary Fund Committee (IMFC) plenary session at the spring meetings of the International Monetary Fund (IMF) and World Bank in Washington, D.C., U.S. ( Joshua Roberts/Bloomberg)

ECB Is Watched as Central Banks Shift Gears: Decision Day Guide

(Bloomberg) -- The European Central Bank will decide on Thursday whether the euro zone needs more stimulus as its global peers move to shore up a recession-threatened global economy.