Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/173654
Authors: 
Nwokora, Zim
Pelizzo, Riccardo
Year of Publication: 
2017
Series/Report no.: 
AGDI Working Paper WP/17/048
Abstract: 
The term ‘party system’, explained Giovanni Sartori, refers to the pattern of interactions among major parties. That pattern can be represented as a type and treated as a proper unit of analysis. When ‘party system’ is defined in this way, it becomes clear that the scholarship lacks a direct measure of ‘party system change’. The Sartori approach to party system change is not the only legitimate way to understand this concept, but it does target an undoubtedly important feature of political systems—namely, the stability of major-party interactions. This article develops a new indicator, the index of fluidity, which measures the extent of such stability. Applying the index to Africa, we show there is significant cross-national variation in fluidity and weak correlation between fluidity and (Pedersen) volatility.
Subjects: 
party systems
party system change
Africa
Sartori typology
fluidity
JEL: 
D02
D72
H00
H11
H89
O00
O10
O43
O55
Document Type: 
Working Paper

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