Trade and Geography in the Economic Origins of Islam: Theory and Evidence

61 Pages Posted: 22 May 2010  

Stelios Michalopoulos

Brown University - Department of Economics; National Bureau of Economic Research (NBER)

Alireza Naghavi

University of Bologna - Department of Economics

Giovanni Prarolo

University of Bologna; Fondazione Eni Enrico Mattei (FEEM)

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Date Written: May 22, 2010

Abstract

This research examines the economic origins of Islam and uncovers two empirical regularities. First, Muslim countries, virtual countries and ethnic groups, exhibit highly unequal regional agricultural endowments. Second, Muslim adherence is systematically larger along the pre-Islamic trade routes in the Old World. The theory argues that this particular type of geography (i) determined the economic aspects of the religious doctrine upon which Islam was formed, and (ii) shaped its subsequent economic performance. It suggests that the unequal distribution of land endowments conferred differential gains from trade across regions, fostering predatory behavior from the poorly endowed ones. In such an environment it was mutually beneficial to institute a system of income redistribution. However, a higher propensity to save by the rich would exacerbate wealth inequality rendering redistribution unsustainable, leading to the demise of the Islamic unity. Consequently, income inequality had to remain within limits for Islam to persist. This was instituted via restrictions on physical capital accumulation. Such rules rendered the investments on public goods, through religious endowments, increasingly attractive. As a result, capital accumulation remained low and wealth inequality bounded. Geography and trade shaped the set of economically relevant religious principles of Islam affecting its economic trajectory in the pre-industrial world.

Keywords: Religion, Islam, Geography, Physical Capital, Human Capital, Land Inequality, Wealth Inequality, Trade

JEL Classification: O10, O13, O16, O17, O18, F10, Z12

Suggested Citation

Michalopoulos, Stelios and Naghavi, Alireza and Prarolo, Giovanni, Trade and Geography in the Economic Origins of Islam: Theory and Evidence (May 22, 2010). Available at SSRN: https://ssrn.com/abstract=1613303 or http://dx.doi.org/10.2139/ssrn.1613303

Stelios Michalopoulos (Contact Author)

Brown University - Department of Economics ( email )

64 Waterman Street
Providence, RI 02912
United States

HOME PAGE: http://https://sites.google.com/site/steliosecon/

National Bureau of Economic Research (NBER) ( email )

1050 Massachusetts Avenue
Cambridge, MA 02138
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Alireza Naghavi

University of Bologna - Department of Economics ( email )

Piazza Scaravilli 2
Bologna, 40126
Italy

HOME PAGE: http://alirezanaghavi.altervista.org/

Giovanni Prarolo

University of Bologna ( email )

Piazza Scaravilli 2
Bologna, 40100
Italy

HOME PAGE: http://www2.dse.unibo.it/prarolo/

Fondazione Eni Enrico Mattei (FEEM) ( email )

C.so Magenta 63
Milano, 20123
Italy

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