Optional Preferential Party Vote
Introduction The MMP system used in New Zealand is largely based on that introduced in Germany in the aftermath of the Second World War, with some differences in detail driven largely by the much greater size of Germany's Bundestag compared to our House of Representatives. One of the characteristics shared by both variants of the system is the requirement of a party to cross one of two thresholds in order to qualify for receiving an allocation of list MPs. In essence, the party must either get at least 5% of all valid party votes cast, or have a certain number of its electorate candidates win their electorates (one in New Zealand, three in Germany). The 5% threshold was sold to the Germans as necessary in light of the failure of the Weimar Republic. That unhappy State, an early experiment in nearly pure proportional representation, contended with legislative paralysis as the social and economic stresses of the time caused people to turn to fringe parties. Frustration with t...