The obsession with economic modelling seems to have reduced the ability of politicians to adapt to changing circumstances.
Dr Richard Denniss is chief economist at The Australia Institute, a Canberra think tank, www.tai.org.au
There is a big difference between having a 'strong economic narrative' and having a strong economy, but unfortunately for Malcolm Turnbull at the moment he has neither.
The PM can't afford to be pushed around by Abbott on climate policy if he is to retain the public's respect.
Closing the transport, income and cultural gaps is not just a great way to build a sense of community, it's a great way to build Sydney into a city that is truly global in both its links and its outlook.
Malcolm Turnbull is a big fan of renewable energy, public transport and land tax. However his ACT Liberal colleagues are campaigning against them.
An engineer, a scientist and economist are playing darts. The engineer throws a dart and hits the far left of the dart board. The scientist throws another and hits the far right. The economist screams 'bullseye'!
Over the past decade Australia bet hundreds of billions of dollars that the rest of the world wasn't serious about tackling climate change. It looks like we lost.
It is often said good policy and good politics reinforce each other but it is a long time since we have seen either.
A third of our biggest companies pay no corporate profit tax and suggestions Australia plans to be competitive in a low-carbon world are a cruel hoax.
Anyone who has ever solved a problem or chaired a meeting knows it doesn't take 40,000 negotiators to break an impasse.