Deputy Prime Minister Barnaby Joyce said it was essential not to lose sight of how to pay for health and welfare as voters headed to the polls on May 21.
The new federal government will have a role to play in the assessment of at least three coal mines in Queensland.
Renewables and phasing out fossil fuels are key issues in many seats, with a new wave of independents campaigning against coalition MPs arguing for stronger action on cutting carbon emissions.
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The Greens are also aiming to land a number of new Senate seats by campaigning for more ambitious climate action.
Supporting more coal development, Mr Joyce said a coalition government would invest in “the things that make us money”.
“Medicare and Social Security have to be paid,” he told the Seven Network on Monday.
“We’re the side that’s brave enough to say we make it from iron, coal and gas, and if we lose sight of that, we’re not making the money that can sustain all the economic and social infrastructure. so important to this nation.
Labor MP Tanya Plibersek said her party would welcome a debate on economic management.
“This is a government that actually doubled the debt before COVID-19 hit,” she said.
“The Morrison government and the Howard government are the two highest taxed governments of the last 30 years.”
She said the Morrison government had admitted that low wages were a deliberate feature of its economic management.
“We want to ease that burden (of the cost of living) to make sure they have good jobs, a pay rise, cheaper child care, cheaper health care and an easier life. .”
The Pre-Election Economic and Fiscal Outlook, which provides independent updates on the economy and budget ahead of the election, is due out this week.