Legislative Research – Center for Effective Lawmaking

State Legislative Effectiveness Scores / State Legislatures

Announcing the Release of the 246th New York State Legislature State Legislative Effectiveness Scores (SLES)

Announcing the Release of the 246th New York State Legislature State Legislative Effectiveness Scores (SLES) The Center for Effective Lawmaking (CEL) is proud to announce the release of our State Legislative Effectiveness Scores (SLES) for the 246th New York State Legislature legislative session (2023–2024). This initiative is part of our broader effort to measure the lawmaking effectiveness of individual legislators in all 99 state legislative chambers in the United States. These scores capture lawmaking effectiveness by tracking the number of bills legislators sponsor, how far those bills advance through the…

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December 17, 2025

The Money Signal—How Fundraising Matters in American Politics

(l-r) Kevin Kosar, Molly Reynolds, Danielle Thomsen, and Daniel Stid. The Money Signal—How Fundraising Matters in American Politics Thursday, December 11, 2025On Thursday, December 4, 2025, the American Enterprise Institute (AEI) held a panel discussion to mark the publication of a book written by Danielle M. Thomsen, Professor of Political Science at the University of California, Irvine and Center for Effective Lawmaking (CEL) faculty affiliate and advisory board member. Titled “The Money Signal—How Fundraising Matters in American Politics,” the book examines how congressional fundraising has changed over the years and…

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December 11, 2025

About the CEL / Interest & Legislative Effectiveness Scores / Legislative Anaylsis / Legislative Effectiveness Scores / Legislative Research

Highlights from the New 118th Congress Interest & Legislative Effectiveness Scores

Highlights from the New 118th Congress Interest & Legislative Effectiveness Scores By Craig Volden and Alan Wiseman, Co-Directors, Center for Effective LawmakingWednesday, November 19, 2025The Center for Effective Lawmaking (CEL) is pleased to announce the release of the Interest & Legislative Effectiveness Scores (ILES) in each of 21 different issue areas for the 118th Congress (2023-25). These categories are based on issue area codes from the Comparative Agendas Project with bill issue codings drawn from www.congress.gov. The methodology that we employed to construct these issue-based scores is the same as…

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November 19, 2025

About the CEL / Legislative Anaylsis / Legislative Research

2025-2026 Small Grant Awards Announced

2025-2026 Small Grant Awards Announced Thursday, November 13, 2025The Center for Effective Lawmaking (CEL) is proud to present its 8th annual small grant awards and recipients. The awards are given to scholars who are researching topics that connect to the mission of the CEL to advance the generation, communication, and use of new knowledge about the effectiveness of individual lawmakers and legislative institutions. This group of scholars will join previous grant recipients who have made insightful contributions to the study of lawmaking effectiveness. We are honored to support the awardees…

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November 13, 2025

Center Affiliates / Faculty Affiliates / Legislative Anaylsis / Legislative Research

The Legislative Success of “Giant Killers” in the U.S. House

The Legislative Success of “Giant Killers” in the U.S. House Monday, November 3, 2025In modern congressional elections, fewer than 10% of candidates who run against sitting members of Congress win and yet they comprise as much as 30% of the House in any given congress. In this forthcoming paper in Political Science Quarterly, Sean Theriault, Professor at The University of Texas at Austin and Center for Effective Lawmaking (CEL) Faculty Affiliate, along with Jared Hrebenar and Isabel Reyna, examine the legislative effectiveness of those relatively rare challengers who knock off incumbents.…

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November 3, 2025

Announcing the Release of the 82nd Nevada General Assembly State Legislative Effectiveness Scores (SLES)

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State Legislative Effectiveness Scores / State Legislatures

Announcing the Release of the 82nd Nevada General Assembly State Legislative Effectiveness Scores (SLES)

Announcing the Release of the 82nd Nevada General Assembly State Legislative Effectiveness Scores (SLES) The Center for Effective Lawmaking (CEL) is proud to announce the release of our State Legislative Effectiveness Scores (SLES) for the 82nd Nevada General Assembly (2023–2024). This initiative is part of our broader effort to measure the lawmaking effectiveness of individual legislators in all 99 state legislative chambers in the United States.These scores capture lawmaking effectiveness by tracking the number of bills legislators sponsor, how far those bills advance through the legislative process, and the substantive…

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October 31, 2025

State Legislative Effectiveness Scores / State Legislatures

Announcing the Release of the 2023-2024 California State Legislature State Legislative Effectiveness Scores (SLES)

Announcing the Release of the 2023-2024 California State Legislature State Legislative Effectiveness Scores (SLES) The Center for Effective Lawmaking (CEL) is proud to announce the release of our State Legislative Effectiveness Scores (SLES) for 2023-2024 California legislative session This initiative is part of our broader effort to measure the lawmaking effectiveness of individual legislators in all 99 state legislative chambers in the United States.These scores capture lawmaking effectiveness by tracking the number of bills legislators sponsor, how far those bills advance through the legislative process, and the substantive significance of…

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October 23, 2025

Center Affiliates / Events / Faculty Affiliates

CEL at APSA 2025

CEL at APSA 2025 Tuesday, October 21, 2025Between September 11-14, the Center for Effective Lawmaking (CEL) attended the annual American Political Science Association (APSA) conference in Vancouver, Canada titled “Reimagining Politics, Power, and Peoplehood in Crisis Times”. The event allowed for more than 5,000 political scientists, scholars, and experts across the discipline to participate and showcase their works to the broader audience, with panels and presentations that included the following from CEL affiliates (and others):Accountability in Darkness: The Effects of Local Media Closures on Legislators – Kisoo Kim (University of Virginia)Congressional…

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October 21, 2025

State Legislative Effectiveness Scores / State Legislatures

Announcing the Release of the 103rd Illinois General Assembly State Legislative Effectiveness Scores (SLES)

Announcing the Release of the 103rd Illinois General Assembly State Legislative Effectiveness Scores (SLES) The Center for Effective Lawmaking (CEL) is proud to announce the release of our State Legislative Effectiveness Scores (SLES) for the 103rd Illinois General Assembly (2023–2024). This initiative is part of our broader effort to measure the lawmaking effectiveness of individual legislators in all 99 state legislative chambers in the United States. These scores capture lawmaking effectiveness by tracking the number of bills legislators sponsor, how far those bills advance through the legislative process, and the…

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October 8, 2025

Legislative Anaylsis / Legislative Research

The (Sometimes Untraceable) Origins of Policy Ideas in Congress: An Analysis of Seven Landmark Laws

The (Sometimes Untraceable) Origins of Policy Ideas in Congress: An Analysis of Seven Landmark Laws Research on lawmaking suggests legislative enactments are constructed in various ways. Although multiple approaches are documented in the literature, political scientists do not conclusively know which are used more often. In this paper published in Legislative Studies Quarterly – which was supported by a small grant award from the Center for Effective Lawmaking (CEL) – Jeremy Gelman, Assistant Professor of Political Science at the University of Nevada, Reno, examines how laws are created by studying seven modern…

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October 7, 2025