常考文獻:
https://cepr.org/voxeu/columns/potatoes-fruit-earth
“the introduction of the potato can explain 22% of the rise in population and 47% of the rise in urbanisation during the 18th and 19th centuries.”
常考文獻:
https://cepr.org/voxeu/columns/potatoes-fruit-earth
“the introduction of the potato can explain 22% of the rise in population and 47% of the rise in urbanisation during the 18th and 19th centuries.”
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