Mark Koyama is an Associate Professor in Economics at George Mason University, a Research Fellow at CEPR, and a Senior Scholar at the Mercatus Center. He obtained his DPhil in Economics from the University of Oxford. His main area of research is economic history. In particular, he is interested in the role played by institutions in explaining the onset of modern economic growth and the role of culture and religion in economic development. He is the coauthor of Persecution and Toleration (CUP, 2019), with Noel Johnson, and How the World Became Rich (Polity, 2022), with Jared Rubin.
Discussion paper
DP15209 The Fractured-Land Hypothesis
Discussion paper
DP15132 The Economic Impact of the Black Death
VoxEU Column
The fractured land hypothesis: Why China is Unified but Europe is not
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- Economic history ![](../../../../../../../../../../var/folders/34/zq18d8kx7kbgby0j06p_j6t40000gn/T/TemporaryItems/NSIRD_screencaptureui_EM2XPo/Screenshot 2022-01-04 at 17.01.16.png)
- Politics and economics
VoxEU Column
Shipwrecked by rents
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- Competition Policy ![](../../../../../../../../../../var/folders/34/zq18d8kx7kbgby0j06p_j6t40000gn/T/TemporaryItems/NSIRD_screencaptureui_EM2XPo/Screenshot 2022-01-04 at 17.01.16.png)
- Economic history ![](../../../../../../../../../../var/folders/34/zq18d8kx7kbgby0j06p_j6t40000gn/T/TemporaryItems/NSIRD_screencaptureui_EM2XPo/Screenshot 2022-01-04 at 17.01.16.png)
- International trade
VoxEU Column
Pandemics and the persecution of minorities: Evidence from the Black Death
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![](../../../../../../../../../../var/folders/34/zq18d8kx7kbgby0j06p_j6t40000gn/T/TemporaryItems/NSIRD_screencaptureui_EM2XPo/Screenshot 2022-01-04 at 17.01.16.png)
- COVID-19 ![](../../../../../../../../../../var/folders/34/zq18d8kx7kbgby0j06p_j6t40000gn/T/TemporaryItems/NSIRD_screencaptureui_EM2XPo/Screenshot 2022-01-04 at 17.01.16.png)
- Economic history
VoxEU Column
Pandemics, places, and populations: Evidence from the Black Death
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![](../../../../../../../../../../var/folders/34/zq18d8kx7kbgby0j06p_j6t40000gn/T/TemporaryItems/NSIRD_screencaptureui_EM2XPo/Screenshot 2022-01-04 at 17.01.16.png)
- Economic history
VoxEU Column
From the persecuting to the protective state? Jewish expulsions and weather shocks from 1100 to 1800
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![](../../../../../../../../../../var/folders/34/zq18d8kx7kbgby0j06p_j6t40000gn/T/TemporaryItems/NSIRD_screencaptureui_EM2XPo/Screenshot 2022-01-04 at 17.01.16.png)
- Economic history ![](../../../../../../../../../../var/folders/34/zq18d8kx7kbgby0j06p_j6t40000gn/T/TemporaryItems/NSIRD_screencaptureui_EM2XPo/Screenshot 2022-01-04 at 17.01.16.png)
- Frontiers of economic research