U.S. Trade Policy in Historical Perspective Douglas A. Irwin NBER Working Paper No. 26256

Issued in September 2019

NBER Program(s):Development of the American Economy, International Trade and Investment

This survey reviews the broad changes in U.S. trade policy over the course of the nation’s history. Import tariffs have been the main instrument of trade policy and have had three main purposes: to raise revenue for the government, to restrict imports and protect domestic producers from foreign competition, and to reach reciprocity agreements that reduce trade barriers. These three objectives – revenue, restriction, and reciprocity – accord with three consecutive periods in history when one of them was predominant. The political economy of these tariffs has been driven by the interaction between political and economic geography, namely, the location of trade-related economic interests in different regions and the political power of those regions in Congress. The paper also addresses the impact of trade policies on the U.S. economy, such as the welfare costs of tariffs, the role of protectionism in fostering American industrialization, and the relationship between the Smoot-Hawley tariff and the Great Depression of the 1930s. You may purchase this paper on-line in .pdf format from SSRN.com ($5) for electronic delivery. Access to NBER Papers You are eligible for a free download if you are a subscriber, a corporate associate of the NBER, a journalist, an employee of the U.S. federal government with a ".GOV" domain name, or a resident of nearly any developing country or transition economy. If you usually get free papers at work/university but do not at home, you can either connect to your work VPN or proxy (if any) or elect to have a link to the paper emailed to your work email address below. The email address must be connected to a subscribing college, university, or other subscribing institution. Gmail and other free email addresses will not have access. E-mail:

Acknowledgments Machine-readable bibliographic record - MARC, RIS, BibTeX Document Object Identifier (DOI): 10.3386/w26256