Baghdad was a wonder of the world in the year 800 while London was an economic backwater. By 1800, London was the largest city in the world while Arab cities languished. Recent research attributes this ‘trading places’ to institutional differences: Arab cities were tied to the fate of the state while European cities were independent growth poles.
Why did the Industrial Revolution begin in northwestern Europe? At the turning of the first millennium, Europe was a backward part of the world economy with low levels of urbanisation and income. But between 1000 and 1800, Europe surged from a backwater of the world economy to its most dynamic region. Understanding this development is a major challenge for economists and economic historians.