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Contextual Determinants of Electoral System Choice - Åbo Akademi

Contextual Determinants of Electoral System Choice - Åbo Akademi

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Concerning data on party system fragmentation and party system transformation,the volumes mentioned above have provided a great deal <strong>of</strong> the relevant data. As toparty system fragmentation, additional sources are The International Almanac <strong>of</strong><strong>Electoral</strong> History by Thomas Mackie and Richard Rose (1974) and Cross-NationalTime-Series Data Archive [http://www.databanks.sitehosting.net/]. The formerreports election results in 23 established democracies from the late nineteenthcentury onwards, whereas the latter provides data on party system fragmentation(Rae’s measure <strong>of</strong> fragmentation) in all countries <strong>of</strong> the world from 1815 to 1995.The estimates at intervals <strong>of</strong> ten years in Britannica Book <strong>of</strong> the Year 1999 havebeen used for coding the size variable. Information on population size around 2000has been taken from The World Factbook[http://www.odci.gov/cia/publications/factbook/index.html]. The following sourceshave been used for determining ethnic and cultural diversity during the period1945-2003: Svensk uppslagsbok (relevant editions 1947-1955), The World inFigures (editions 1981 and 1987), and The World Factbook.Estimation <strong>of</strong> whether electoral system choices qualify as processes <strong>of</strong> diffusion ornot is based on statistics in The World in Figures (1981; 1987), Britannica Book <strong>of</strong>the Year (1999), The World Factbook, and the map <strong>of</strong> the world. Information oncolonial legacy is collected from a number <strong>of</strong> sources, mainly The WorldFactbook. The above mentioned volumes in the series <strong>of</strong> Elections Worldwide andChronicle <strong>of</strong> Parliamentary Elections have provided information on the year <strong>of</strong>each electoral system choice. Data on form <strong>of</strong> government, territorial organizationand chamber structure, is collected from the following sources: the volumes <strong>of</strong>Elections Worldwide, The World Factbook, Statsskick: att bygga demokrati(Karvonen 2003), and Political <strong>System</strong>s <strong>of</strong> the World (Derbyshire and Derbyshire1989). Decisions on democratic status are based on ratings in Freedom House[http://www.freedomhouse.org] and the Polyarchy dataset[http://www.svt.ntnu.no/iss/data/vanhanen/]. The volumes <strong>of</strong> Elections Worldwideand Handbuch der Wahldaten Lateinamerikas und der Karibik (Nohlen 1993b)have provided additional information.145

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