How will you change behaviour if the costs do not increase? Most absurd. If you look at the numbers million of people are going to get more than the increased costs. Income distribution.

FAMILIES will pay little or nothing for Labors emissions trading scheme, Prime Minister Kevin Rudd pledged yesterday. Full or partial compensation for rising costs would be available for couples with children on an income up to $160,000, as well as for singles on $30,000 a year or less.

via Kevin Rudd pledges to repay ETS rise | News.com.au.