"Before the industrial revolution prolonged economic growth was unachievable. All economies were organic, dependent on plant photosynthesis to provide food, raw materials, and energy. This was true both of heat energy, derived from burning wood, and mechanical energy provided chiefly by human...

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...