文章基本信息

标题：Is the International Border Effect Larger than the Domestic Border Effect? Evidence from U.S. Trade
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作者：Cletus Coughlin ; Dennis Novy
期刊名称：CEP Discussion Paper
出版年度：2012
卷号：2012
语种：English
出版社：Centre for Economic Performance
摘要：Many studies have found that international borders represent large barriers to trade. But how do international borders compare to domestic border barriers? We investigate international and domestic border barriers in a unified framework. We consider a data set of exports from individual U.S. states to foreign countries and combine it with trade flows between and within U.S. states. After controlling for distance and country size, we estimate that relative to state-to-state trade, crossing an individual U.S. state's domestic border appears to entail a larger trade barrier than crossing the international U.S. border. Due to the absence of governmental impediments to trade within the United States, this result is surprising. We interpret it as highlighting the concentration of economic activity and trade flows at the local level.
关键词：International border;intranational home bias;domestic border;gravity;trade costs;distance