This paper puts forth a unified theory of growth that captures a number of relevant features of countries' transitions from stagnant, predominantly rural economies to vibrant, industrialized economies that have been overlooked by the literature. In our theory, increasing variety of consumer...

Why did the Industrial Revolution start sometime in the 18th century in England and not earlier and in some other country? This paper argues that the key to the start of the Industrial Revolution was the expansion and integration of markets that preceded it. Due to less regulation, increasing...

Why do some countries industrialize much earlier than others? One widely-accepted answer is that markets need to be large enough for producers to find it profitable to bear the fixed cost of introducing modern technologies. This insight, however, has limited explanatory power, as illustrated by...