Essay On The Electoral System

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Different electoral systems determine the level of representation for varying interests in a country. Some countries have chosen to use proportional representation in their electoral system. This results in the emergence and recognition of multiple parties. In this kind of electoral system, multiple political parties can run for national election and have the ability to gain political power. On the other hand, other countries have adopted single member plurality representation. This kind of representation allows for a maximum of two political parties to be recognized. Although it is possible for other political parties to exist in this electoral system, these two major political parties dominate the government. Why do countries pick varying electoral rules, and what specific factors contribute to the different electoral rules? The most valid explanation on this subject comes from Cusack, Iversen, and Soskice in their article “Economic Interests and the Origins of Electoral Systems.” By analyzing the standard view of proportional representation, they …show more content…

Calvo’s theory explains that when the number of parties increases, there are two distinct problems that arise which affect the electoral system: 1) majoritarian biases and 2) partisan biases. Majoritarian biases occur when a party whens extra seats in the legislature because of gaining more votes that its competing parties (Calvo, pg. 257) These majoritarian biases either penalize or reward any party that has an equivalent vote share. This kind of bias can be used to explain early electoral reforms in Europe. Partisan biases appear when a certain party gains seat benefits that happen to be more than expected than by any other competing party with equivalent vote share. This kind of bias does not always benefit the winning party, and is a result of the interaction between electoral system properties and multiparty

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