Mark Koyama is Professor of 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.

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The fractured land hypothesis: Why China is Unified but Europe is not
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- Economic history 
- Politics and economics

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Shipwrecked by rents
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- Competition Policy 
- Economic history 
- International trade

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Pandemics and the persecution of minorities: Evidence from the Black Death
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- COVID-19 
- Economic history

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Pandemics, places, and populations: Evidence from the Black Death
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- Economic history
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From the persecuting to the protective state? Jewish expulsions and weather shocks from 1100 to 1800
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- Economic history 
- Frontiers of economic research