Institutionalizing uncertainty: the choice of electoral formulas
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- 作者：Gonzalo Fern¨¢ndez de C¨®rdoba and Alberto Penad¨¦s
- 关键词：Electoral formulas ; Minimax choice ; Uncertainty ; Proportional representation
- 刊名：Public Choice
- 出版年：2009
- 出版时间：December, 2009
- 年：2009
- 卷：141
- 期：3-4
- 页码：391-403
- 全文大小：425.7 KB
文摘
Taken from an infinite set of divisors methods, the D’Hondt formula is the unique rule that maximizes the minimum number of seats for parties exceeding average size but not surpassing an absolute majority of the votes. This property is also shared, in the quota set of methods, by the Droop formula. At the same time, these two methods are those most commonly observed in practice. This paper relates the property stated to the observed facts. If parties try to maximize the minimum number of seats for a given share of votes, then the D’Hondt formula should be chosen. This choice is consistent with rational parties that make institutional choices in an uncertain environment.