How to ensure women's economic inclusion, because economies will not thrive unless we do. This issue stretches all the way from the number of women in Davos and the glass ceiling in the developed world, to helping poor women in the developing world set up their own businesses and survive. (..) The World Food Programme has found that when girls and women earn income, they reinvest 90% of the money in their families. For men, that figure is more like 30% to 40%.