Sikk, A;
Köker, P;
(2019)
Party novelty and congruence: A new approach to measuring party change and volatility.
Party Politics
, 25
(6)
pp. 759-770.
10.1177/1354068817747512.
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Abstract
We propose a new three-dimensional approach to party newness and an interval index of party congruence/novelty. Building on this, we also propose a split-vote-by-congruence (SBC) approach to electoral volatility that employs the index. Four elections from different countries that exhibited different forms of party change are used to illustrate the approach. The congruence/novelty index corresponds to our qualitative case knowledge, and the SBC approach leads to meaningful volatility scores. Ad hoc coding of parties as new/old or singular successors/predecessors can seriously over- or underestimate volatility that explains divergence among volatility scores in literature. By eliminating the need for dichotomous and often controversial coding decisions, the SBC approach allows for a substantially more reliable calculation of volatility.
| Type: | Article |
|---|---|
| Title: | Party novelty and congruence: A new approach to measuring party change and volatility |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1177/1354068817747512 |
| Publisher version: | https://doi.org/10.1177/1354068817747512 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | electoral coalitions, new parties, party change, splits and mergers, volatility |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL SLASH UCL > Provost and Vice Provost Offices > UCL SLASH > SSEES |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/10037607 |
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