Optional preferential voting - where electors do not need to allocate preferences, or only allocate as many preferences as they want - was originally introduced by Labor in NSW 40 years ago in a bid to play on tensions between Liberals and Nationals and adopted in Queensland the following decade.
Now, with the Liberals and Nationals merged in Queensland, three-cornered contests rare and Labor increasingly dependent on preferences for support, senior Coalition figures are pushing for its introduction nationally. Senior government sources say the move is actively under consideration.
However, nothing will happen until after the parliament's powerful joint standing committee on electoral matters completes its standard inquiry into the election.
NSW backbencher Alex Hawke, a skilled veteran of bruising internal battles in the state's Liberals, is expected to be appointed to chair the committee.
Government sources say expected criticism of electoral laws that allowed people to hold office in multiple micro parties simultaneously and confusion caused by massive candidate numbers will open the way to optional preferential voting, exposing Labor to a loss of Greens preferences it currently wins under the compulsory preferential system.
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http://www.theaustralian.com.au/nat...y-fn59niix-1226739243303#sthash.9329Xi1v.dpuf