Over the past fifty years the world has weathered epoch‑making crises, from oil shocks to financial disruptions, culminating in the current BRICS+ challenge to the dominance of the dollar. The New Development Bank and plans for alternative currencies signal a structural shift in global capital flows.

London Summit – Leaders’ Statement 2 April 2009 1. We, the Leaders of the Group of Twenty, met in London on 2 April 2009. 2. We face...