Rethinking dominant party systems

Research output: A Conference proceeding or a Chapter in BookChapter

13 Citations (Scopus)

Abstract

Abstract: Empiricist definitions of ‘dominant party systems’ incorporating
‘longitudinal’ time requirements risk tautology and create unacceptable lags in
recognizing dominance. We urgently need an analytic definition that can identify
parties as dominant independently from their tenure of office. I suggest that a party can be recognized as dominant if three criteria are met simultaneously:
- The party is seen as exceptionally effective by voters, so that it is set apart
from all other parties.
- It consequently has an extensive ‘core’ or protected area of the ideological
space, within which no other party can compete effectively for voters’ support.
- At the basic minimum level of effectiveness that voters use to judge whether
to participate or not, the lead party has a wider potential appeal to more voters
than its rivals
This approach means that we can identify a party as dominant immediately it
establishes a higher level of effectiveness. It also generates some key hypotheses that
are well supported in the existing literature on dominant party systems and could be
more precisely tested in future, specifically:
- Factionalism should be a more serious problem for dominant party leaders
than in more competitive systems.
- In ‘uncrowded’ ideological space one-party dominance will be sustained by
the strong logic of opposition parties adopting ‘clear water’ positional
strategies.
- Only when some opposition parties adopt ‘convergent’ or ‘deeply convergent’
positioning strategies will support for dominant parties tend to be seriously
eroded.
- Factional exits from the dominant party are the most likely route by which
opposition parties with ‘deeply convergent’ strategies emerge.
- Greater crowding of the ideological space is a key stimulus to some opposition
parties adopting convergent or deeply convergent strategies. It also helps
overcome the positional advantages that dominant parties often have, making
minimum connected winning coalitions easier for opposition parties.
- Hence the multiplication of parties is a key dynamic undermining dominant
party systems.
In political science an idea often emerges inductively and becomes widely adopted before ever an intellectually adequate specification of it has been provided. Such a concept is that of a ‘dominant party system’ (Arian and Barnes, 1974). ‘Longitudinal’ versions of the concept are tautological and re-descriptive – they say only that a party is dominant when it is continuously in government for a specified period. As a result the term is briefly cited in around half of the specialist dictionaries or encyclopaedias in political science but ignored in the remainder of the definitional volumes and almost never recognized as useful even in directly adjacent fields, such as the analysis of electoral systems. This paper sets out to re-conceptualize dominant party systems in a different, more analytic way, using a public choice-based approach. I first briefly survey current problems and then propose a new definition making no reference to
tenure of office. The second section applies this approach to the existing literature on the dynamics of dominant party systems. I conclude with a set of hypotheses that should prove helpful in guiding future empirical research.
Original languageEnglish
Title of host publicationDominant political parties and democracy: concepts, measures, cases and comparisons
EditorsMatthijs Bogaards, Françoise Boucek
Place of PublicationLondon UK
PublisherRoutledge
Pages23-44
Number of pages22
ISBN (Print)9780415485821
Publication statusPublished - 2010
Externally publishedYes

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party system
opposition
political science
public choice
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dictionary
empirical research
coalition
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Cite this

DUNLEAVY, P. (2010). Rethinking dominant party systems. In M. Bogaards, & F. Boucek (Eds.), Dominant political parties and democracy: concepts, measures, cases and comparisons (pp. 23-44). London UK: Routledge.
DUNLEAVY, Patrick. / Rethinking dominant party systems. Dominant political parties and democracy: concepts, measures, cases and comparisons. editor / Matthijs Bogaards ; Françoise Boucek. London UK : Routledge, 2010. pp. 23-44
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DUNLEAVY, P 2010, Rethinking dominant party systems. in M Bogaards & F Boucek (eds), Dominant political parties and democracy: concepts, measures, cases and comparisons. Routledge, London UK, pp. 23-44.

Rethinking dominant party systems. / DUNLEAVY, Patrick.

Dominant political parties and democracy: concepts, measures, cases and comparisons. ed. / Matthijs Bogaards; Françoise Boucek. London UK : Routledge, 2010. p. 23-44.

Research output: A Conference proceeding or a Chapter in BookChapter

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N2 - Abstract: Empiricist definitions of ‘dominant party systems’ incorporating‘longitudinal’ time requirements risk tautology and create unacceptable lags inrecognizing dominance. We urgently need an analytic definition that can identifyparties as dominant independently from their tenure of office. I suggest that a party can be recognized as dominant if three criteria are met simultaneously:- The party is seen as exceptionally effective by voters, so that it is set apartfrom all other parties.- It consequently has an extensive ‘core’ or protected area of the ideologicalspace, within which no other party can compete effectively for voters’ support.- At the basic minimum level of effectiveness that voters use to judge whetherto participate or not, the lead party has a wider potential appeal to more votersthan its rivalsThis approach means that we can identify a party as dominant immediately itestablishes a higher level of effectiveness. It also generates some key hypotheses thatare well supported in the existing literature on dominant party systems and could bemore precisely tested in future, specifically:- Factionalism should be a more serious problem for dominant party leadersthan in more competitive systems.- In ‘uncrowded’ ideological space one-party dominance will be sustained bythe strong logic of opposition parties adopting ‘clear water’ positionalstrategies.- Only when some opposition parties adopt ‘convergent’ or ‘deeply convergent’positioning strategies will support for dominant parties tend to be seriouslyeroded.- Factional exits from the dominant party are the most likely route by whichopposition parties with ‘deeply convergent’ strategies emerge.- Greater crowding of the ideological space is a key stimulus to some oppositionparties adopting convergent or deeply convergent strategies. It also helpsovercome the positional advantages that dominant parties often have, makingminimum connected winning coalitions easier for opposition parties.- Hence the multiplication of parties is a key dynamic undermining dominantparty systems.In political science an idea often emerges inductively and becomes widely adopted before ever an intellectually adequate specification of it has been provided. Such a concept is that of a ‘dominant party system’ (Arian and Barnes, 1974). ‘Longitudinal’ versions of the concept are tautological and re-descriptive – they say only that a party is dominant when it is continuously in government for a specified period. As a result the term is briefly cited in around half of the specialist dictionaries or encyclopaedias in political science but ignored in the remainder of the definitional volumes and almost never recognized as useful even in directly adjacent fields, such as the analysis of electoral systems. This paper sets out to re-conceptualize dominant party systems in a different, more analytic way, using a public choice-based approach. I first briefly survey current problems and then propose a new definition making no reference totenure of office. The second section applies this approach to the existing literature on the dynamics of dominant party systems. I conclude with a set of hypotheses that should prove helpful in guiding future empirical research.

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BT - Dominant political parties and democracy: concepts, measures, cases and comparisons

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PB - Routledge

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DUNLEAVY P. Rethinking dominant party systems. In Bogaards M, Boucek F, editors, Dominant political parties and democracy: concepts, measures, cases and comparisons. London UK: Routledge. 2010. p. 23-44