Higher reserve requirements in the euro zone mean that its central bank has to inject more cash than the Fed to achieve the same effect, says Julian Callow at Barclays Capital.

• 欧元区有较高的银行保证金，这意味着ECB需要比美国联储会注入更多的货币才能达到同样的效果，巴克莱资产的JulianCallow如是说。