Changes

Some disadvantages of this system include:

Some disadvantages of this system include:

* It is very complicated compared ti first past the post.  

* It is very complicated compared to first past the post.  

* It produces a higher level of informal votes especially with Australia's compulsory voting.  

* It produces a higher level of informal votes especially with Australia's compulsory voting.  

* The two-party system can be a detriment to minor parties and independents who want to hold office.

* The two-party system can be a detriment to minor parties and independents who want to hold office.

* Voters could be forced to give preferences for candidates they might not wish to support in any way although voters for two major parties don't need to worry as they will rarely or if ever need to be counted as they will most likely already have the most primary votes.  

* Voters could be forced to give preferences for candidates they might not wish to support in any way although voters for two major parties don't need to worry as they will rarely or if ever need to be counted as they will most likely already have the most primary votes.

==Further Reading==

==Further Reading==

http://www.australianpolitics.com/elections/features/preferential.shtml

http://www.australianpolitics.com/elections/features/preferential.shtml