Global economy declares an inflight emergency

Powered flight requires air to flow smoothly over the wing at a certain speed. Erratic or slow air flow can cause a plane to stall. Most modern aircraft are fitted with a ‘stick shaker’ — a mechanical device that rapidly and noisily vibrates the control yoke or ‘stick’ of an aircraft to warn the pilot of an imminent stall. The global economy too needs air flow — smooth, steady and strong growth. Unfortunately, the global economy’s stick shaker is vibrating violently.

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