Of the world's 100 largest economies, 51 are now corporations, only 49 are nation-states. The sales of General Motors and Ford are greater than the gross domestic product of the whole of sub-Saharan Africa, and Wal-Mart now has a turnover higher than the revenues of most of the states of Eastern Europe. Yet few of us understand fully the growing dominance of big business. Widely acclaimed economist Noreena Hertz brilliantly reveals how corporations...