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Articles by Nicolai Kaarsen

This is the story that Roman roads tell us about economic growth

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By Ola Olsson, Nicolai Kaarsen
| Forum Stories (World Economic Forum)
Spatial differences in economic development tend to be highly persistent over time. Comin et al. (2010) document, for example, that countries that were closer to the technological frontier as early as 1500 CE are comparatively richer and more technologically sophisticated today, while Maloney and Valencia (2016) document persistence in population density across half a millennium, comparing regions at the sub-national level within the New World.
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Roman roads and persistence in development

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By Nicolai Kaarsen, Ola Olsson
| VoxEU.org
On Roman roads and the sources of persistence and non-persistence in development Carl-Johan Dalgaard, Nicolai Kaarsen, Ola Olsson, Pablo Selaya 10 April 2018 Although spatial differences in economic development tend to be highly persistent over time, this is not always the case. This column combines novel data on Roman Empire road networks with data on night-time light intensity to explore the persistence and non-persistence of a key proximate source of growth – public goods provision.
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