New analysis suggests considerable uncertainty over the financial impact on Scottish households of independence.
Both sides in the referendum debate have tried to claim Scots would either be significantly better or worse off depending on the outcome of September's vote.
But thinktank Fiscal Affairs Scotland says Scots could either end up over £1,000 better off or over £1,300 worse off, depending on factors such as North Sea oil revenues.
Summarising their findings, the thinktank said: "We cannot be certain of Scotland's future fiscal balance, even in the short term, due to uncertainties over elements like North Sea revenues and debt expenditure.
The first debate between Alistair Darling and Alex Salmond had barely finished when their respective teams went into battle.
Campaign rivals Alex Salmond and Alistair Darling both traded blows in a surprisingly feisty televised debate on Scottish independence.
Alistair Darling is getting 'feisty' during the STV Debate.