But creating inflation is easier said than done: it requires boosting aggregate demand enough to consume existing economic slack, through either monetary or fiscal policy.

但是制造通货膨胀说起容易做起来难- - -它需要货币抑或是财政政策来拉动足以消化现存闲置生产的总需求。

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U. S. policy makers will have to hope one of its chief economic rivals steps in to pick up the slack.

美国的决策者将不得不寄希望于其经济上的主要竞争对手之一能够介入，填补其退出造成的空缺。

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But slack fiscal policy could blow the Bank off course.

ECONOMIST: His next trick

Moreover, while there is some economic slack, borrowing by firms remains weak and monetary policy is loose, there is scant risk that rising interest rates will crowd out the private sector.

ECONOMIST: Governments have resumed their profligate habits