Mechanical and Psychological Effects of Electoral Reform

Reprint No. 2016:14

Author(s): Jon H. Fiva and Olle FolkeYear: 2016 Title: British Journal of Political Science Volume (No.): 46 (2) Pages: 265–179
Online article (restrictions may apply)

To understand how electoral reform affects political outcomes, one needs to assess its total effect, incorporating how the reform affects the outcomes given the political status quo (the mechanical effects) and the additional reactions of political agents (the psychological effects). This article proposes a framework to ascertain the relative magnitude of mechanical and various psychological effects. The empirical approach is based on pairwise comparisons of actual and counterfactual seat allocation outcomes. It uses the design to analyze a nationwide municipal electoral reform in Norway, which changed the seat allocation method from D’Hondt to Modified Sainte-Laguë. The study documents clear psychological effects.

Fiva, Jon H., and Olle Folke (2016), "Mechanical and Psychological Effects of Electoral Reform". British Journal of Political Science 46(2), 265–179.

Olle Folke


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Sick of Inequality?

An Introduction to the Relationship between Inequality and Health

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In this book Andreas Bergh, Therese Nilsson, IFN and Lund University, and Daniel Waldenström, IFN and Paris School of Economics, France, review the latest research on the relationship between inequality and health. What does inequality mean for our health? Does increasing income inequality affect outcomes such as obesity, life expectancy and subjective well-being?


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