ILI-activity can have significant regional variation, so regional ILInet data was used as the target.

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National pay scales with limited regional variation mean that teachers and nurses are under-paid in London and the south-east, leading to severe labour shortages.

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There was significant regional variation in crimes of indecency, with Northern Constabulary showing a 29% increase whilst Lothian and Borders Police recorded a fall of 13% but the overall figure remained unchanged.

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Ideally, currency zones should be compact and homogenous enough to show little regional variation in business cycles otherwise a one-size-fits-all monetary policy will leave some regions lingering in recession, while others grow so fast they overheat.

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