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The HoneyComb Paradigm for Research on Collective Human Behavior
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Voting behavior, coalitions and government strength through a complex network analysis.

Carlo Dal Maso1, Gabriele Pompa1, Michelangelo Puliga2

  • 1IMT, Institute for Advanced Studies, Lucca, Italy.

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Summary
This summary is machine-generated.

This study uses network analysis to map Italian parliament voting behavior, revealing community structures and developing new metrics for political polarization and government stability. Findings show debate contrasts not aligning with party structures, and offer methods to track coalition stability.

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Area of Science:

  • Political Science
  • Network Science
  • Computational Social Science

Background:

  • Parliamentary voting behavior forms complex relational networks.
  • Understanding coalition dynamics and government stability is crucial for political science.

Purpose of the Study:

  • To analyze the community structure within parliamentary voting networks.
  • To develop novel metrics for party polarization, coalition cohesiveness, and government strength.
  • To assess the impact of party splits on parliamentary community structure and government stability.

Main Methods:

  • Complex network analysis applied to voting records of the Italian Parliament's Chamber of Deputies.
  • Topological feature analysis to define new metrics for political phenomena.
  • Tracking of community structure changes and individual deputy contributions over time.

Main Results:

  • Identified emergent community structures reflecting political alliances, not strictly established parties.
  • Quantified party polarization, coalition cohesiveness, and government strength using network metrics.
  • Characterized the heterogeneity of the ruling coalition and individual contributions to government stability.
  • Observed shifts in community structure following party splits and their impact on deputies.

Conclusions:

  • Network analysis provides novel insights into parliamentary dynamics, polarization, and stability.
  • The developed metrics offer a quantitative approach to understanding political coalition behavior.
  • The methodology is generalizable to other parliaments and political systems for stability analysis.