Correction: Burger-lovers in Argentina were enjoying a special discount on Big Macs when we collected data for our index (July 24th 2010). At nornal prices the peso is undervalued by 5% not 52%. Sorry for the whopper. This has been corrected online.

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source: http://www.economist.com/businessfinance/displaystory.cfm?story_id=16705379&fsrc=rss