TY - JOUR
T1 - How to Operationalize Two-Partyness
AU - Gaines, Brian J.
AU - Taagepera, Rein
PY - 2013/11
Y1 - 2013/11
N2 - 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.
AB - 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.
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U2 - 10.1080/17457289.2013.770398
DO - 10.1080/17457289.2013.770398
M3 - Article
AN - SCOPUS:84887999213
SN - 1745-7289
VL - 23
SP - 387
EP - 404
JO - Journal of Elections, Public Opinion and Parties
JF - Journal of Elections, Public Opinion and Parties
IS - 4
ER -