Economic Prehistory: Six Transitions That Shaped The World

Around 15,000 years ago, almost all humans lived in small mobile foraging bands. By about 5,000 years ago, the first city-states had appeared. This radical transformation in human society laid the foundations for the modern world. We use economic logic and archaeological evidence to explain six key elements in this revolution: sedentism, agriculture, inequality, warfare, cities, and states. In our approach the ultimate cause of these events was climate change. We show how shifts in climate ...