How would PR work for the California State Assembly?”
Applying PR to the State Assembly is easily done. Any of the three forms (MMP, Party List, and Choice Voting) could be used. The use of any of them would require a state constitutional amendment, however, since California’s constitution currently mandates single-member districts for both the Assembly and State Senate. Given that, let’s look at how MMP might work. We could divide the Assembly into 40 members elected from single-member districts, and 40 elected from party lists. Each voter would have two votes for Assembly on election day, a candidate vote and a party vote. The candidate vote is cast for the person that the voter wants to represent the district, and either current pluarality rules, or Instant Runoff rules, could be used. The party vote is cast for the party that the voter wants to represent him or her in the Assembly, and does not have to be for the same party as that of the candidate whom the voter chose. After the 40 district seats are allocated, the 40 party seats are