“Shining Light on a Statistical Dark Age: Postal Activity in Antebellum America.”

<p><span>The project examines the origins of modern economic growth in the antebellum United States.</span></p><p><span>It compiles statistics on postal activity available on an annual or biennial basis at the county level </span></p><p><span>to shed light of the expansion of economic activity. It also extends Easterlin state-level income estimates</span></p><p><span>for 1840 to the county level. </span></p>

本项目旨在探究美国南北战争前时期现代经济增长的起源。
本项目汇编了县级层面可获取的年度或两年一度的邮政活动统计数据。
以此揭示经济活动的扩张态势，同时将伊斯特林（Easterlin）的州级收入估算进行拓展。
将针对1840年的相关数据拓展至县级层面。