Monday, March 8, 2021 4:00 PM
Moynihan Institute of Global Affairs
Trade, Development and Political Economy presents
Political Parties as
Drivers of U.S. Polarization: 1927-2018
polarization of elites in the U.S., particularly in Congress, is frequently
ascribed to the emergence of cohorts of ideologically extreme legislators
replacing moderate ones. The authors present a multi-dimensional voting model
and identification strategy designed to decouple the ideological preferences of
lawmakers from the control exerted by their party leadership. Applying this
structural framework to the U.S. Congress between 1927- 2018, they find that
the influence of leaders over their rank-and-file has been a growing driver of
polarization in voting, particularly since the 1970s.
University of California - Berkeley
Bernard T. Rocca Jr.
Francesco Trebbi is
the Bernard T. Rocca Jr. Chair and Professor at the University of
California, Berkeley Haas School of Business and Research Associate at the
National Bureau of Economic Research. His main area of research is
political economy. More specifically, he works on political institutions and
their design, elections and political campaigns, behavior in legislatures,
campaign finance, lobbying, banking and regulation, political economy of development,
corruption, ethnic politics, and intra-state conflict. He has several
publications in top general-interest economics journals.
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