What does Christine Lagarde, as ECB president, need to do to tackle Europe's stagnant growth? (Part II)

In the second of our special look into Christine Lagarde's appointment as the new European Central Bank president, eight executives tell Investment Week what she needs to do to revive Europe's economies. The former head of the International Monetary Fund became the central bank's first female president, succeeding Mario Draghi on 1 November. But on her appointment, she inherits a Europe plagued by political turmoil and growing unease towards the single market. Click here to read part 1 of this two-part Big Question.