Australian Herald-Sun RBA watcher Terry McCrann is in an ornery mood this weekend as he lays out his plan for reviving the Australian economy.

The entire budget is built on assuming that the Aussie dollar is at US92C – and indeed, stays there for the next four years. On Friday it was already at US89c and heading down, perhaps sharply and quickly. It could well get a kick-along when the Reserve Bank cuts its official interest rate on Tuesday.