inputs: hypothesis: Kim Beazley is not supported by Peter Costello. premise: Australian treasurer, Peter Costello (Higgins, Liberal) told parliament on Tuesday that the greatest threat to Australia's economy would be for opposition leader Kim Beazley (Brand, Labor) to gain office. Mr Costello said that the Australian economy would suffer with Mr Beazley at the helm. "The greatest threat to the Australian economy domestically would be the election of the Leader of the Opposition," said the treasurer. "I can think of nothing that could be worse for the Australian economy than Kim Beazley being in a position of influence."