This book is an updated version of my 2009 Habilitation treatise at the Otto von Guericke
University of Magdeburg, Germany. When I started working on the project some ten years …

The variables explaining party system fragmentation have been investigated extensively, but
little is known about changes in the number of parties over time within countries. This article …

National-level elections receive more attention from scholars and the media than elections
at other levels, even though in many European countries the importance of both regional …

The relationship between political parties and voters is usually analysed in a national
framework. However, the majority of states worldwide allow their emigrant citizens to have …

Las teorías recientes sostienen que la descentralización induce la desnacionalización de
los sistemas de partidos porque la transferencia de responsabilidades administrativas y …

In this research note we delve into the Linz-Moreno question—one of the most employed
measures of national and regional identity in political science—by analzsing three different …

Una de las características principales de los sistemas de partidos institucionalizados es la
estabilidad de sus componentes. Varios estudios muestran la existencia de una fuerte …

In districts where only one seat is contested, the electoral formula (plurality or majority)
should be a major determinant of the number of parties that receive votes. Specifically …

Having two votes for the same election or two simultaneous elections with different electoral
systems provides a golden opportunity to ascertain the impact of the electoral system and to …

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 …