The economy -- or, more correctly, the economy as the lived experience of Australian households -- has a way of re-inserting itself into political debate despite the best efforts of politicians.

The week began with an almost absurd emphasis on national security, with the Prime Minister parading in front of gas-masked soldiers and military gear to bolster his counter-terrorism credentials, then the following day expanded the Commonwealth's most incompetent department into a new Home Affairs portfolio, to be led, of course, by Peter Dutton or, as some wag dubbed him in a stroke of pure genius, J. Edgar Tuber.