10 votes The Columbian Exchange: A History of Disease, Food, and Ideas Posted November 10, 2023 by ignorabimus Tags: the columbian exchange, food, trade, diseases, agriculture, crops.cash, migration, studies, economics, journal of economic perspective, pdf, author.nathan nunn, author.nancy qian, source.harvard, long read https://scholar.harvard.edu/files/nunn/files/nunn_qian_jep_2010.pdf