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Mar 12th 2012, 17:30 by The Economist online
A new index ranks the competitiveness of global cities
THE Economist Intelligence Unit, a sister company of The Economist, has devised a new index which ranks the competitiveness of the most prominent cities across the globe using a number of economic, demographic and social variables. The 120 cities in the index are home to some 750m people and $20.2 trillion worth of GDP, 29% of the world's total. High concentrations of skilled residents, infrastructure and institutions mean that the top of the index is dominated by America and western Europe, with 24 cities in the top 30. Comparing the index to the EIU's cost of living data (a measure of western-style living expenses), identifies those cities which also represent good value for money for the ambitious expatriate.
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