Technological change was unskilled-labor-biased during the early Industrial Revolution of the late eighteenth and early nineteenth centuries, but is skill-biased today. This fact is not embedded in extant unified growth models. We develop a model of the transition to sustained economic growth...

This paper augments the new historical literature on factor price convergence. The focus is on the late nineteenth century, when economic convergence among the current OECD countries was dramatic; and the focus is on the convergence between Old World and New, by far the biggest participants in...