In some cases this back-and-forth loop repeats multiple times, stretching over months.

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This creates a self-sustaining negative feed back loop as prices fall, produces cut back production, creating more unemployment, reducing demand, which increase deflationary pressures.

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Toffees centre-back Sylvain Distin could only loop a clearing header back towards his own goal to let in Cameron Jerome but the Blues striker controlled on his thigh only to half-volley wide from just inside the area.

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Lawrence decided to attack from the east instead, coming at the city from the unprotected desert, and to do that he led his men on an audacious, six-hundred-mile loop up from the Hejaz, north into the Syrian desert, and then back down toward Aqaba.

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