Embedded Files
Legislative Politics
Legislative Politics
I research the behavior of lobbyists and legislators in Congress and the American states.
Health Policy
Health Policy
Peer Reviewed Research
Peer Reviewed Research
10. "Policy Agendas of the American State Legislatures"Dee, Ethan and Alex Garlick (2025)Nature: Scientific Data, 12, 1276.[html (open access) | data]
9. "Measuring the Policy Content of Congressional and American State Legislation Using Machine Learning" Dee, Ethan and Alex Garlick (2025)Journal of Political Institutions and Political Economy, 6: 455-498.[html (open access) | data]
8. "How Lobbying Matters"Garlick, Alex; Wiebke Marie Junk; and Heath Brown (2025)Annual Review of Political Science, Volume 28, 457-475.[html (open access)]
7. "Legislative Capacity Limits Interest Group Influence: Evidence from California’s Proposition 140"Garlick, Alex; Mary Kroeger; and Paige Pellaton (2025)Legislative Studies Quarterly, 50(1), 71-84. doi: 10.1111/lsq.12478[html (open access) | supplement]
6. "Bicameralism Hinges on Legislative Professionalization."Brown, Adam and Alex Garlick (2024)Legislative Studies Quarterly, 49(1), 161-185[html | data | ungated ]
5. "Laboratories of Politics: There is Bottom-Up Diffusion of Attention in the American Federal System"Garlick, Alex (2023)Political Research Quarterly 76 (1), 29-43 [html | data | appendix]
4. "Interest group lobbying and partisan polarization in the United States: 1999–2016"Garlick, Alex (2022)Political Science Research and Methods 10 (3), 488-506[html | data | appendix | ungated]
3. "Automated estimates of state interest group lobbying populations"Garlick, Alex and John Cluverius (2020)Interest Groups & Advocacy 9 (3), 396-409[html | data | ungated with appendix]
2. "National Policies, Agendas, and Polarization in American State Legislatures: 2011 to 2014"Garlick, Alex (2017)American Politics Research 45 (6), 939 - 979[html | ungated]
1. "'The Letter after Your Name' Party Labels on Virginia Ballots"Garlick, Alex (2015)State Politics & Policy Quarterly 15 (2), 147-170[html | data | ungated | appendix]
Dissertation"Interest groups, lobbying and polarization in the United States"Garlick, Alex (2016)UPenn Dissertation Repository[html | ungated]
9. "Measuring the Policy Content of Congressional and American State Legislation Using Machine Learning" Dee, Ethan and Alex Garlick (2025)Journal of Political Institutions and Political Economy, 6: 455-498.[html (open access) | data]
8. "How Lobbying Matters"Garlick, Alex; Wiebke Marie Junk; and Heath Brown (2025)Annual Review of Political Science, Volume 28, 457-475.[html (open access)]
7. "Legislative Capacity Limits Interest Group Influence: Evidence from California’s Proposition 140"Garlick, Alex; Mary Kroeger; and Paige Pellaton (2025)Legislative Studies Quarterly, 50(1), 71-84. doi: 10.1111/lsq.12478[html (open access) | supplement]
6. "Bicameralism Hinges on Legislative Professionalization."Brown, Adam and Alex Garlick (2024)Legislative Studies Quarterly, 49(1), 161-185[html | data | ungated ]
5. "Laboratories of Politics: There is Bottom-Up Diffusion of Attention in the American Federal System"Garlick, Alex (2023)Political Research Quarterly 76 (1), 29-43 [html | data | appendix]
4. "Interest group lobbying and partisan polarization in the United States: 1999–2016"Garlick, Alex (2022)Political Science Research and Methods 10 (3), 488-506[html | data | appendix | ungated]
3. "Automated estimates of state interest group lobbying populations"Garlick, Alex and John Cluverius (2020)Interest Groups & Advocacy 9 (3), 396-409[html | data | ungated with appendix]
2. "National Policies, Agendas, and Polarization in American State Legislatures: 2011 to 2014"Garlick, Alex (2017)American Politics Research 45 (6), 939 - 979[html | ungated]
1. "'The Letter after Your Name' Party Labels on Virginia Ballots"Garlick, Alex (2015)State Politics & Policy Quarterly 15 (2), 147-170[html | data | ungated | appendix]
Dissertation"Interest groups, lobbying and polarization in the United States"Garlick, Alex (2016)UPenn Dissertation Repository[html | ungated]
Invited
Invited
6. "How do you Oppose a President like Trump? Lessons from the 115th Congress." Garlick, Alex (2025) Political Science Today 5(2), 9-10.[html (open access)]
4. "The Battle Over Health Care"Garlick, Alex (2022)In Under the Iron Dome, edited by Herrnson, P; Campbell, C.; Dulio, D.[html | ungated]
3. "Interest groups and the evolution of gun and racial politics in the USA"Garlick, Alex (2021)Interest Groups & Advocacy 10 (1), 91-94[html | ungated]Books reviewed: The Gun Gap by Mark Joslyn, Warped Narratives by Melissa Merry
2. "A new wave of pluralism in the study of environmental policy in the USA"Garlick, Alex (2020)Interest Groups & Advocacy 9 (2), 244-247[html | ungated]Books reviewed: Short Circuiting Policy by Leah Stokes, Falter by Bill McKibben, California Greenin' by David Vogel
1. "Mercy and Malice: An Inside View of the Push to Repeal and Replace Obamacare"Garlick, Alex (2018)PS: Political Science & Politics 51 (2), 491-493[html | ungated]
5. "The legacy of lobbying on the Affordable Care Act"
Garlick, Alex (2023)Interest Groups & Advocacy 12(1), 109-111. [html | ungated]Books reviewed: Stealth Lobbying by Amy McKay, Ten Year War by Jonathan Cohn, The Committee by Bryan Marshall and Bruce Wolpe4. "The Battle Over Health Care"Garlick, Alex (2022)In Under the Iron Dome, edited by Herrnson, P; Campbell, C.; Dulio, D.[html | ungated]
3. "Interest groups and the evolution of gun and racial politics in the USA"Garlick, Alex (2021)Interest Groups & Advocacy 10 (1), 91-94[html | ungated]Books reviewed: The Gun Gap by Mark Joslyn, Warped Narratives by Melissa Merry
2. "A new wave of pluralism in the study of environmental policy in the USA"Garlick, Alex (2020)Interest Groups & Advocacy 9 (2), 244-247[html | ungated]Books reviewed: Short Circuiting Policy by Leah Stokes, Falter by Bill McKibben, California Greenin' by David Vogel
1. "Mercy and Malice: An Inside View of the Push to Repeal and Replace Obamacare"Garlick, Alex (2018)PS: Political Science & Politics 51 (2), 491-493[html | ungated]
Datasets
Datasets
This dataset using a machine learning model to code the universe of congressional and state legislative data since about 2009 using the Comparative Agendas Project codebook. Each bill recieves one major topic code.
This dataset uses a machine learning model to code the universe of state legislative data since about 2009 using 28 policy codes. Bills can receive multiple topic codes.
Built on top of the legacy OpenStates data for all 50 states from ~2009-2018, this contains over one million observations of state legislation to measure how far it progressed in the bicameral legislative process. It includes an original coding scheme.
This uses a dictionary method (keyword searches of LexisNexis State Capital Universe) to identify state legislation by 22 policy areas from 1991-2008. It demonstrates high precision (placing bills into the correct category), and consistent recall over time.
This uses an automated method to estimate the policy sector of the interest groups in the National Institute for Money in State Politics database of groups registered to lobby in the 50 states from 2006-2018.
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