By 2030, China’s share of global economic power will match America’s in the 1970s and Britain’s...

|By:, SA News Editor

By 2030, China’s share of global economic power will match America’s in the 1970s and Britain’s a century before, Arvind Subramanian asserts. Three forces will dictate China’s rise: demography, convergence and "gravity" - with at least four times the U.S. population, China needs to produce just a quarter of America's output per head to exceed America's total output.