With the European economy lagging behind the United States, the head of the International Monetary Fund had a piece advice for the continent on Friday: "Believe in yourself."

There was much handwringing about Europe losing its competitive edge at the World Economic Forum in Davos this week, with the European Union racing to act to catch up with the United States and China.

At the forum's closing panel, focused on the global economic outlook, IMF managing director Kristalina Georgieva suggested a change in attitude to tackle the........

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