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100			_aFazlić, Nina Boberg and Sharp, Paul _950302
245			_aImmigrant communities and knowledge spillovers: Danish Americans and the development of the dairy industry in the United States
260			_aAmerican Economic Journal: Macroeconomics
300			_a16(1), Jan, 2024: p.102-146
520			_aDespite the growing literature on the impact of immigration, little is known about the role existing migrant settlements can play for knowledge transmission and the location of industry. We present a case that can illustrate this important mechanism and hypothesize that nineteenth-century Danish American communities helped spread knowledge on modern dairying to rural America. From around 1880 Denmark developed rapidly, and by 1890 it was a world-leading dairy producer. Using a difference-in-differences strategy and data taken from the US census and Danish emigration archives, we find that counties with more Danes in 1880 subsequently both specialized in dairying and used more modern practices. – Reproduced https://www.aeaweb.org/articles?id=10.1257/mac.20210074
773			_aAmerican Economic Journal: Macroeconomics
906			_aMIGRATION
942			_cAR