Sinn Féin would borrow money to avoid cutting back on manifesto promises if economic circumstances were to change.
With US president-elect Donald Trump threatening to slash taxes from American firms, there have been growing fears that corporate tax benefits could disappear in Ireland.
In a piece published earlier this week, The Business Post warned that all three major parties' economic plans could lead to huge deficits were these windfall taxes to disappear.
It predicts a potential deficit of €56 billion from Fine Gael, and a similar number from Fianna Fáil.
Sinn Féin, however, could reportedly leave Ireland with a deficit totalling €85 billion.
On Newstalk Breakfast, Sinn Féin deputy leader and candidate in Donegal Pearse Doherty said that Sinn Féin would borrow money and avoid austerity measures were economic circumstances to change.
“We will not pose austerity on the Irish people, which is what Fianna Fáil and Fine Gael did,” he said.
“We would borrow in relation to building the capacity in our economy to make sure that we invest and grow and to deal with the housing crisis.”
Mr Doherty said this would be made possible by continuing to build in fiscal buffers and also by ensuring the Apple windfall money is only used for once off payments.
According to Mr Doherty, it is also unlikely that corporate taxes will disappear entirely, considering the Department of Finance are currently projecting surpluses, even in the face of a Trump presidency.
Republican presidential nominee former President Donald Trump speaks during a presidential debate with Democratic presidential nominee Vice President Kamala Harris at the National Constitution Center, Tuesday, Sept.10, 2024, in Philadelphia. (AP Photo/Alex Brandon)'Mr Doherty rejected the belief that Sinn Féin would not be a member in the next Government, and said he feels there is still a momentum behind the party.
“I genuinely believe that the momentum is going towards Sinn Féin,” he said.
“The polls are showing that.
“We have seen how Fine Gael has dropped significantly in the polls – I think that will continue right up until Friday.
“Most importantly, what we're hearing on the ground is that people are coming to this decision that they have to make on Friday – do they want Fianna Fáil or Fine Gael back in government together for another five years?
“Do they want to continue with the chaos we have in housing and health, or do they want an alternative?”
According to Mr Doherty, many will 'lend their vote' to Sinn Féin in order to prevent a Fianna Fáil or Fine Gael led Government.
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