Countries with greater commodity export intensity have more concentrated markets for imported goods. Within countries over time, import market concentration is associated with higher domestic prices, suggesting that markups due to greater concentration outweigh any potential cost efficiency....

We empirically examine how import competition affects sentiment toward China in local communities in the United States using a news-based index for sentiment. Results are threefold. First, U.S. sentiment toward China peaked in 2007 before turning negative. Second, communities more exposed to...