Second nature : economic origin of human evolution Introduction Exchange in human and nonhuman societies Classical economics and classical Darwinism Evolutionary implications of division of labor The feeding ecology The origins of nepotistic exchange The origins of market exchange Baboon speciation vs human speciation Tool making and food sharing The global environment The Upper Paleolithic and other creative explosions The rise of agriculture Was exchange an early agent of human evolution or is it merely a de novo artifact of modern civilisation Here Haim Ofek explores the impact of market forces on human evolution from the feed as you go strategy typical of primates to the development of agriculture and the domestication of fire