I don't think Labor, Liberal or any other political party will support this. It will be a political suicide.
http://www.smh.com.au/business/tax-homes-and-control-mine-boom-ceos-urge-20110225-1b8kh.html
http://www.smh.com.au/business/tax-homes-and-control-mine-boom-ceos-urge-20110225-1b8kh.html