A Compact Mathematical Model of the World System Economic and   Demographic Growth, 1 CE - 1973 CE
  We propose an extremely simple mathematical model that is shown to be able to account for more than 99 per cent of all the variation in economic and demographic macrodynamics of the world for almost two millennia of its history. This appears to suggest a novel approach to the formation of the general theory of social macroevolution. 
Andrey Korotayev (Russian Academy of Sciences, Moscow) and Artemy   Malkov (Institute of Economics of the Russian Academy of...
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