Abstract
Because of the prominence of Duverger's law, a great deal of work has focused on assessing whether or not given election outcomes can be regarded as exhibiting two-party competition. The most common metric for assessment is whether the effective number of parties is close to two. We introduce two statistics that better measure conformity to two-partyness, briefly survey their logical properties, and then demonstrate their utility with data on parliamentary elections in England.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 387-404 |
| Number of pages | 18 |
| Journal | Journal of Elections, Public Opinion and Parties |
| Volume | 23 |
| Issue number | 4 |
| DOIs | |
| State | Published - Nov 2013 |
ASJC Scopus subject areas
- Sociology and Political Science
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