things I learned during my PhD

things I learned during my PhD

Too Many People for the Land, or Too Much Land for the King?

Herodotus’ Cyrus (9.122.3) said that soft lands birth softies. I don’t think he was thinking of Tirol! Looking west at the Alps south of Innsbruck, September 2019.

A very popular story today explains that when people learn agriculture, they quickly breed to fill the landscape and got hungrier and hungrier until a war or a plague came. In this view, peasant life was a zero-sum game and shaped by the scarcity of land and the ability of those who claimed it to squeeze resources from those who worked it: there just was not enough land for everyone to have enough to eat, and if a village cleared woods or turned hillsides into rice paddies and harvested four bushels where they used to harvest three, before too long there would be four villagers where there used to be three and they would all be hungry again. This has been strengthened by archaeologists studying the first farmers and people working in poor countries since 1945, but the core idea goes back to the Reverend Thomas Malthus in 1834 and to early population historians who saw that every 200 years the population of England was high and wages were low until disaster drastically reduced the population and a period of low population and high wages began. This story is a good match for part of the historical record, but people who look at other parts tell other stories.

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