Christine Lagarde
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IMF chief Christine Lagarde: 'Women should not imitate men'

8 March 2013 Last updated at 00:09 GMT

To mark International Women's Day, former White House Press Secretary and political analyst Dee Dee Myers has been interviewing some of the most powerful women in the world.

As part of the BBC's What If? season, she asked Christine Lagarde, managing director of the International Monetary Fund, what would happen if women ruled the world.