In other findings: Ninety percent of the fastest-growing economies were outside North America and western Europe; U.S. metropolitan areas outperformed the national average when it came to income growth; and global metropolitan areas that specialized in business services, financial services and commodities showed the strongest performance.
"If you have a high level of worker productivity, typically you enjoy a higher standard of living," said Alan Berube, senior fellow at Brookings and co-author of the Global Metro Monitor Volatility, Growth and Recovery report.
Click ahead to see which were the most productive cities in the Brookings Institution's study.
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