Has rising import competition contributed to the polarization of U.S. politics? Analyzing multiple measures of political expression and results of congressional and presidential elections spanning the period 2000 through 2016, we find strong though not definitive evidence of an ideological...

Has rising import competition contributed to the polarization of U.S. politics? Analyzing outcomes from the 2002 and 2010 congressional elections and the 2000, 2008, and 2016 presidential elections, we detect an ideological realignment that is centered in trade-exposed local labor markets and...