nationalization {politicsR}

Party Nationalization Index

Description

'nationalization()' calculates the Party Nationalization Index as proposed by Jones e Mainwaring (2003).

Usage

nationalization(x)

Arguments

x

(numeric). A numeric vector with the vote share for a given party x in each electoral district.

Value

The result of the index is a value between 0 and 1. A high score indicates a high level of nationalization

References

Jones, M. P., & Mainwaring, S. (2003). The Nationalization of Parties and Party Systems: An Empirical Measure and an Application to the Americas. Party Politics, 9(2), 139–166. https://doi.org/10.1177/13540688030092002

Examples

x <- runif(27, 0.03, 0.2)
nationalization(x)