Treasurer Josh Frydenberg and his Labor counterpart Chris Bowen will face off during a debate in Canberra, a traditional event for any election campaign trail.
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The debate, held at the National Press Club on Monday, is likely to see Mr Frydenberg talking about his forecast budget surpluses and an economy that has generated 1.3 million jobs under the six-year watch of the coalition.
For his part, Mr Bowen will spruik his party's ambitious agenda of changes to negative gearing, stopping franking credits cash refunds and climate change plans, to name but a few, all of which the coalition has labelled as taxes even if most cases they are not.
The pair are likely to also have plenty of negative things to say about each other's approach, with Mr Bowen preceding the dialogue with a feisty letter to his opponent.
In the letter, Mr Bowen calls on the treasurer to reveal the fiscal cost of the coalition's proposed tax cuts for people earning more than $180,000 each year.
Prime Minister Scott Morrison on Friday said such a figure "hasn't been specifically set apart".
"If this is true, it indicates a grossly irresponsible approach to fiscal management from your government," Mr Bowen has written, urging the government to request a more detailed breakdown from treasury.
In total, the coalition claims the Labor Party will impose $387 billion of taxes on the economy - a hotly disputed figure that was put out by Mr Frydenberg's office and that Treasury secretary Phil Gaetjens has distanced himself from.
However, Labor will not release the full costings of its policy agenda until Thursday or Friday, which is earlier than oppositions on both sides have handed down theirs in the past.
Monday's debate does have an added twist, with the Reserve Bank holding its monthly board meeting on Tuesday, which some economists are predicting will result in the first cut in the cash rate since August 2016.
This follows last month's unexpectedly weak inflation report, as well as other recent data showing slowing economic growth, house prices recording the biggest drop since the global financial crisis and demand for workers coming off the boil.
"The economy is not working for working people," shadow finance minister Jim Chalmers told Sky News on Sunday.
"If (the government) was doing a good job of it, the Reserve Bank wouldn't be contemplating cutting rates."
Australian Associated Press