This paper investigates the effect of political representation on the electoral outcome at the party level in a proportional multiparty election system using data from Swedish local government elections. There are two notions of representation in a council; the first is to hold seats, and the second is to belong to the ruling coalition. I refer to the effect of the former as the incumbency effect and the effect of the latter as the effect of ruling. To identify causal effects, I use the discontinuous variations in the number of seats and ruling (as a coalition receives a majority of the seats) to isolate exogenous variation in incumbency and ruling respectively. I find an advantage of 0.11 percent of the votes for each percent of incumbency. 11 percent of the votes in an election are therefore determined by incumbency, a figure close to the advantage found in majoritarian systems. However, the advantage differs significantly between parties. Further, I find no effects of ruling, contrary to the commonly found cost of ruling in proportional systems.
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Paper provided by Uppsala University, Department of Economics in its series Working Paper Series with number
2007:28.
Length: 20 pages Date of creation: 19 Dec 2007 Date of revision: Handle: RePEc:hhs:uunewp:2007_028
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References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Klevmarken, N. Anders & Bolin, Kristian & Eklöf, Matias & Flood, Lennart & Fransson, Urban & Hallberg, Daniel & Höjgård, Sören & Lindgren, Björn & Mitrut, Andrea & Lagergren, Mårten, 2007.
"Simulating the future of the Swedish baby-boom generations,"
Working Paper Series
2007:26, Uppsala University, Department of Economics.
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