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Mauricio Macri, Argentina's president, looks on between sessions during the World Economic Forum (WEF) in Davos, Switzerland, on Thursday, Jan. 21, 2016. World leaders, influential executives, bankers and policy makers attend the 46th annual meeting of the World Economic Forum in Davos from Jan. 20 - 23. Photographer: Simon Dawson/Bloomberg via Getty Images

Mauricio Macri, Argentina's president, looks on between sessions during the World Economic Forum (WEF) in Davos, Switzerland, on Thursday, Jan. 21, 2016. World leaders, influential executives, bankers and policy makers attend the 46th annual meeting of the World Economic Forum in Davos from Jan. 20 - 23. Photographer: Simon Dawson/Bloomberg via Getty Images