World's Best Scientists 2026 revealed!

D-Index & Metrics

Political Science

D-Index
29
Citations
14027
World Ranking
1213
National Ranking
606

Best Publications

  • State Lottery Adoptions as Policy Innovations: An Event History Analysis

    Frances Stokes Berry;William D. Berry

  • Measuring Citizen and Government Ideology in the American States, 1960-93

    William D. Berry;Evan J. Ringquist;Richard C. Fording;Russell L. Hanson

  • Innovation and Diffusion Models in Policy Research

    Frances Stokes Berry;William D. Berry

  • Understanding regression assumptions

    William Dale Berry

  • Tax Innovation in the States: Capitalizing on Political Opportunity

    Frances Stokes Berry;William D. Berry

  • Improving Tests of Theories Positing Interaction

    William D. Berry;Matt Golder;Daniel Milton

  • Testing for Interaction in Binary Logit and Probit Models: Is a Product Term Essential?

    William D. Berry;Jacqueline H. R. DeMeritt;Justin Esarey

  • Measuring Citizen and Government Ideology in the U.S. States: A Re-appraisal:

    William D. Berry;Richard C. Fording;Evan J. Ringquist;Russell L. Hanson

  • Using Geographic Information Systems to Study Interstate Competition

    William D. Berry;Brady Baybeck

  • Legislative Professionalism and Incumbent Reelection: The Development of Institutional Boundaries

    William D. Berry;Michael B. Berkman;Stuart Schneiderman

  • Innovation and Diffusion Models in Policy Research

    Unknown

  • The Confusing Case of Budgetary Incrementalism: Too Many Meanings for a Single Concept

    William D. Berry

  • Reassessing the “Race to the Bottom” in State Welfare Policy

    William D. Berry;Richard C. Fording;Russell L. Hanson

  • A Strategic Theory of Policy Diffusion via Intergovernmental Competition

    Brady Baybeck;William D. Berry;David A. Siegel

  • An Annual Cost of Living Index for the American States, 1960-1995

    William D. Berry;Richard C. Fording;Russell L. Hanson

  • The Growth of Government in the United States: An Empirical Assessment of Competing Explanations*

    David Lowery;William D. Berry

  • The Politics of Tax Increases in the States

    Frances Stokes Berry;William D. Berry

  • The Measurement and Stability of State Citizen Ideology

    William D. Berry;Evan J. Ringquist;Richard C. Fording;Russell L. Hanson

  • New Tools for Social Scientists.

    Christopher H. Achen;William D. Berry;Michael S. Lewis-Beck

  • New Tools for Social Scientists: Advances and Applications in Research Methods

    William Dale Berry;Michael S. Lewis-Beck

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