And when the economy is weak, as it is now throughout much of Europe, the structural balance will look deceptively weak, because anemic growth or even recession balloons the deficits of Europe's governments.

WSJ: Wonk Wars: How Big Are EU Deficits?

For example, if the structural primary balance (budget balance excluding debt interest) in 2015-16 turns out to be only one percentage point better than the OBR now expects, our public sector debt would now be on a long term sustainable path.

BBC: OBR report: Be aware, not afraid

That's why we see such an opportunity through structural funds to do something to redress this balance.

BBC: Enterprise and Business Committee

The target measure was structural borrowing for current spending (the "cyclically adjusted current budget balance").

BBC: An economic mid-term review