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Conditional (combination)

From electowiki

In a conditional method[1] whether one formula is used or not depends on the outcome of the other sub-method.

The term is used to describe a class of dependent mixed electoral systems.

Example

If a party has received 50% of the vote, it is receives all seats (party block voting), otherwise a partisan version of proportional representation is used.

Use

Pure conditional systems are not typically used, but supermixed systems such as majority jackpot or minority jackpot have a conditional element. The conditional system is distinguished from the correction model of dependent combination, where another formula always, unconditionally applies, but how it applies depends on the other subsystem.

Non-mixed systems

Many single-winner systems may also be conditional, such as the common two-round system, where the second round is only held if not candidate has received more than 50% of the vote.

References

  1. Massicotte & Blais (1999). "Mixed electoral systems: a conceptual and empirical survey". Electoral Studies. 18 (3): 341–366. doi:10.1016/S0261-3794(98)00063-8.
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