Oxford University Press blog, Harinder S. Kohli: “Before looking forward to 2050, we must first look back at the key economic and social developments during the past half a century, and perhaps look even further back than that. The rapid rise of emerging economies during the last 50 years is truly astounding in the long-term historical context. Developing economies now account for over half of the global output (55%, in PPP terms). This is a total reversal from the G7 economies’ share of global output of 57% in 1960…”