Cited by 6,223Political Science Research and EducationSpatial and Panel Data AnalysisElectoral Systems and Political Participation

Understanding Interaction Models: Improving Empirical Analyses

Brambor, Thomas, Clark, William Roberts, Golder, Matt·2006·Political Analysis

Abstract

Multiplicative interaction models are common in the quantitative political science literature. This is so for good reason. Institutional arguments frequently imply that the relationship between political inputs and outcomes varies depending on the institutional context. Models of strategic interaction typically produce conditional hypotheses as well. Although conditional hypotheses are ubiquitous in political science and multiplicative interaction models have been found to capture their intuition quite well, a survey of the top three political science journals from 1998 to 2002 suggests that the execution of these models is often flawed and inferential errors are common. We believe that considerable progress in our understanding of the political world can occur if scholars follow the simple checklist of dos and don'ts for using multiplicative interaction models presented in this article. Only 10% of the articles in our survey followed the checklist.

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Crossref · 10.1093/pan/mpi014

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  • The marginal effects of the interaction term show the true impact of a unit change in financial development on economic growth better than the coefficient of the interaction term.

    “This is because the marginal effects of the interaction term clearly show the true impact of a unit change in the financial development on economic growth than the coefficient of the interaction term.”

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Authors
Brambor, T., Clark, W. R., & Golder, M.
Affiliations
  • New York University (US)
  • University of Michigan (US)
  • Florida State University (US)
Corresponding author
Golder, Matt
Venue
Political Analysis
Published
2006
Volume
14
Issue
1
Pages
63-82
ISSN
  • 1047-1987 (ISSN-L)
  • 1476-4989
OpenAlex
W2099304543
Cited by
6,223
References
33
Citations by year
2026: 372 · 2025: 293 · 2024: 299 · 2023: 377 · 2022: 334 · 2021: 308 · 2020: 395 · 2019: 435 · 2018: 389 · 2017: 333 · 2016: 333 · 2015: 346 · 2014: 347 · 2013: 363 · 2012: 308
FWCI
556.72
Type
journal article
Language
en
Open access
closed
Locations
  • Political Analysis (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Topics
  • Social Sciences › Political Science and International Relations › Political Science Research and Education
  • Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Spatial and Panel Data Analysis
  • Social Sciences › Political Science and International Relations › Electoral Systems and Political Participation
Keywords
multiplicative interaction model, strategic interaction, institutional environment, inferential errors

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