Former chancellor Alistair Darling is meeting Finance Secretary John Swinney to debate the economics of an independent Scotland.
The pair are being joined by experts from the oil, business and finance sectors at the Economics of Independence Conference in Edinburgh on Tuesday.
They are discussing whether an independent Scotland could survive economically.
Mr Swinney has already said that if Scots vote yes in the referendum in 2014, Scotland will keep the pound sterling.
The SNP also plan to keep the UK regulatory framework over the banking sector. The Bank of England would continue to oversee monetary policy and set interest rates.
The party are hopeful that an independent Scotland could have a seat on the Monetary Policy Committee.
There are still questions about the revenue from oil in the North Sea and the possibility of Scotland joining the Euro.
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