Two-and-a-Half-Party Systems and the Comparative Role of the `Half'

@article{Siaroff2003TwoandaHalfPartySA,
  title={Two-and-a-Half-Party Systems and the Comparative Role of the `Half'},
  author={Alan. Siaroff},
  journal={Party Politics},
  year={2003},
  volume={9},
  pages={267 - 290}
}
In this article, the concept of the `two-and-a-half-party system' is re-examined, with particular focus on the role of the `half'. The analysis is on longer-term parliamentary democracies since 1945 or democratization. First, various ways of measuring a party system are outlined, and a new alternative is proposed. Based on this, 10 countries are seen to qualify (at least for certain time periods) as two-and-a-half-party systems: Australia, Austria, Belgium, Canada, Germany, Greece, Ireland… Expand

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