Michael Noonan (Limerick City, Fine Gael) | Oireachtas source

On an all-Ireland economy, two currencies apply. There is sterling North of the Border and the euro down here. The most salient factor that should be considered is the deficit position, as I mentioned in my reply. For the years 2013 and 2014, the total public sector revenue collected in Northern Ireland is estimated at €14.9 billion. The total public sector expenditure for the same two years was €24.1 billion, so there is a deficit of over €9 billion.

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