However, advanced by Martin Feldstein, neglecting the impact of fiscal policy is a serious limitation in the monetary economics.

费德斯坦指出，没有充分考虑财政政策的影响，这是货币经济学的严重缺陷。

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The EU regulation on passenger rights "does not provide for any limitation, either temporal or monetary, of the obligation to provide care to passengers whose flight is cancelled due to extraordinary circumstances", the ECJ said.

BBC: Ryanair plane taking off from Barcelona - file pic

This implies a significant limitation on the fiscal sovereignty of member states, which comes on top of their delegation of monetary sovereignty to the ECB.

FORBES: Understanding The Eurozone Crisis