Publication details

Majoritarian and consensual democracies : The seat product connection



Year of publication 2021
Type Article in Periodical
Magazine / Source Party Politics
MU Faculty or unit

Faculty of Social Studies

Keywords connections among connections; consensual democracies; electoral systems; majoritarian democracies; seat product
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Description This study connects two apparently disparate fields of inquiry in a specific quantitative way. In Lijphart’s Patterns of Democracy, the majoritarian–consensual “executives–parties” score (L) combines five indices. Four of these largely or entirely derive from factors that Shugart and Taagepera, Votes from Seats, logically deduced from the product of two numbers: the number of seats in an average electoral district (M) and in the first or only chamber of representative assembly (S). Hence L connects to the purely institutional seat product MS (logged) along a simple logistic pattern. It can be predicted from L=4/[1+35(MS)^-0.56]-2, with R 2 = 0.59. Thus, surprisingly, the majoritarian–consensual typology largely stems from the number of seats available.
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