How Many Parties will New Zealand have under MMP?¹

1 For comments on earlier versions, I wish to thank Marek Kaminski, Richard Katz, Peter Ordeshook, Rhoda Rabkin, Rein Taagepera and the referees.I also gratefully acknowledge financial support from the IRIS Centre at the University of Maryland, the University of Pennsylvania Research Foundation and the Daniel J. Brodsky Term Chair.

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Notes

1 For comments on earlier versions, I wish to thank Marek Kaminski, Richard Katz, Peter Ordeshook, Rhoda Rabkin, Rein Taagepera and the referees.I also gratefully acknowledge financial support from the IRIS Centre at the University of Maryland, the University of Pennsylvania Research Foundation and the Daniel J. Brodsky Term Chair.