@article {761421,
	title = {THE POTATO{\textquoteright}S CONTRIBUTION TO POPULATION AND URBANIZATION: EVIDENCE FROM A HISTORICAL EXPERIMENT},
	journal = {QUARTERLY JOURNAL OF ECONOMICS},
	year = {2011},
	url = {http://scholar.harvard.edu/files/nunn/files/nunn_qian_qje_2011.pdf},
	author = {Nunn, Nathan and Qian, Nancy}
}
