In the nineteenth century something else happened. Population went on increasing, and prices fluctuated on the same plateau. English historians Anthony Wrigley and Roger Schofield write, “If there was a notable uniformity in the behavior of the two series relative to each other until the beginning of the nineteenth century, however, there was a remarkably clean break with the past thereafter. . . . The historic link between population growth and price rise was broken; an economic revolution had taken place.
