Based on the map which statement is a valid conclusion port cities were not connected to railroads

journal article

Social Science History

Vol. 34, No. 2 (Summer 2010)

, pp. 171-197 (27 pages)

Published By: Cambridge University Press

https://www.jstor.org/stable/40587344

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Abstract

Using a newly developed geographic information system transportation database, we study the impact of gaining access to rail transportation on changes in population density and the rate of urbanization between 1850 and 1860 in the American Midwest. Differences-in-differences and instrumental variable analysis of a balanced panel of 278 counties reveals only a small positive effect of rail access on population density but a large positive impact on urbanization as measured by the fraction of people living in incorporated areas of 2,500 or more. Our estimates imply that one-half or more of the growth in urbanization in the Midwest in the late antebellum period may be attributable to the spread of the rail network.

Journal Information

Social Science History seeks to advance the study of the past by publishing research that appeals to the journal's interdisciplinary readership of historians, sociologists, economists, political scientists, anthropologists, and geographers. The journal invites articles that blend empirical research with theoretical work, undertake comparisons across time and space, or contribute to the development of quantitative and qualitative methods of analysis. Social Science History is the official journal of the Social Science History Association.

Publisher Information

Cambridge University Press (www.cambridge.org) is the publishing division of the University of Cambridge, one of the world’s leading research institutions and winner of 81 Nobel Prizes. Cambridge University Press is committed by its charter to disseminate knowledge as widely as possible across the globe. It publishes over 2,500 books a year for distribution in more than 200 countries. Cambridge Journals publishes over 250 peer-reviewed academic journals across a wide range of subject areas, in print and online. Many of these journals are the leading academic publications in their fields and together they form one of the most valuable and comprehensive bodies of research available today. For more information, visit http://journals.cambridge.org.

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