Between 1960 and 2015, world population increased by 142 per cent, rising from 3.035 billion to 7.35 billion. During that time, average income per capita adjusted for inflation increased by 177 per cent, rising from $3,680 to $10,194. Moreover, after 56 years of human use and exploration, the vast majority of the commodities tracked by the World Bank are cheaper than they used to be – either absolutely or relative to income. That was not supposed to have happened.
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