It's not certain Sydney even has a serious "empty homes" problem much less one driven by tax incentives. There are simpler and more plausible explanations for unoccupied dwellings
Despite the growing numbers of cyclists on the streets in peak hour, cycling's share of all work trips is small in all mainland capital cities and barely increasing
New Census 2011 data released yesterday shows public transport is on the rise for commuting and driving is waning. But there's no guarantee the change will be sustained.