Compared with Germany Staiger pressure and displacement monitoring instrument, the device could realize monitoring function completely, and the device cost drops by about thirty thousands Yuan.

与德国试达默公司的压力位移监控器比较该装置不但能够完全实现监控功能，而且每套装置节省成本三万元左右。

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And a third set of calculations, by Douglas Staiger and James Stock of Harvard and Mark Watson of Princeton, tells roughly the same story (see chart for their estimates).

ECONOMIST: Up the NAIRU without a paddle