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The dynamics of constituency representation on immigration policy in the US house
Journal article   Peer reviewed

The dynamics of constituency representation on immigration policy in the US house

Adam Cayton and Lena Siemers
Policy studies journal, Vol.53(2), pp.480-498
05/2025
Web of Science ID: WOS:001365795800001

Abstract

congress polarization policy representation Government Studies Political Science Public Administration United States Immigration
We examine how legislative representation and issue activism change as parties polarize on an issue by examining immigration politics in the U.S. House. Using an original data set of the policy positions in immigration bills from 1983 to 2014, an original coding of email newsletters from 2010 to 2020, and existing speech data, we show that increased partisan disagreement on immigration and the sorting of immigrants into the Democratic Party changed the way lawmakers represent their districts on that issue. Larger foreign-born populations consistently have representatives who take pro-immigration positions, but the effect has changed from a direct effect to one mediated by partisanship. Issue attention also became asymmetrical, with Democratic lawmakers who represent more immigrants being more active on immigration policy, but no such relationship for Republicans. This suggests that for Democrats, immigration is a distributive issue driven by geographically concentrated "policy demanders" but for Republicans, it is a partisan issue that is less connected to geography. These findings have implications for who and where new policy proposals come from.

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