“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现代经济增长的起源。
本项目汇编了县级层面按年度或两年一度统计的邮政活动数据
以阐明经济活动的扩张态势；此外，本项目还将伊斯特林（Easterlin）的州级收入估算
拓展至1840年的县级层面。