Minorities and effective political participation: a survey of law and national practices 2010, para. 76
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There are electoral systems where voters can vote for more than one candidate from different parties, ranking them in order of choice, and the lower-order preferences are taken into account if no candidate reaches a threshold number of votes on the first-preference votes. This system may facilitate minority representation and is also thought to promote inter-group cooperation as parties seek second-preference votes from other parties' supporters. It may also encourage mainstream parties to take up minority issues.