PEER REVIEWED

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Interest Group Lobbying and Partisan Polarization in the United States: 1999-2016

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Automated Estimates of State Interest Group Populations

Interest Groups & Advocacy (with John Cluverius, 2020)

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National Policies, Agendas and Polarization of American State Legislatures

American Politics Research (2017)

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"The Letter After Your Name": Party Labels on Virginia Ballots

State Politics & Policy Quarterly (2015)

INVITED

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Interest groups and the evolution of gun and racial politics in the USA

Interest Groups & Advocacy (forthcoming)

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A New Wave of Pluarlism in the Study of Environmental Policy in the USA

Interest Groups & Advocacy (2020)