他们不是按照传统根据产出缺口来推测通货膨胀率，而是反过来：从通货膨胀的走势来推测产出缺口。

Rather than follow the conventional route of deriving an inflation forecast from an estimate of potential output, they do the opposite: they infer the output gap from the behaviour of inflation.

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1981 - 83年一个类似水平的产出缺口(7%左右)引起通货膨胀率下降了6个百分点。

A comparable gap in 1981-83 produced a drop in core inflation of six percentage points.

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即使通货膨胀率下降到0到1.5%的水平，相比cbo估测的产出缺口也是非常小的。

Even if inflation were to fall to between zero and 1.5%, say, that would be a small drop given the CBO's estimate of the output gap.

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