Based on the height data of 18th-century American soldiers the inference is warranted that Americans were taller than Europeans, and the wedge widened during the course of the century.

Proposes an economic-growth model that adheres to the salient features of the European economies during the millennium prior to the Industrial Revolution and shows how the Industrial Revolution, generated by the model, can be conceptualized as an escape from the Malthusian trap.

Proposes an economic-growth model that adheres to the salient features of the European economies during the millennium prior to the Industrial Revolution and shows how the Industrial Revolution, generated by the model, can be conceptualized as an escape from the Malthusian trap.