Rates are displayed at a foreign currency exchange shop in the centre of Budapest in this February 17, 2009 file photo. Opponents of quick euro adoption have long argued that losing the flexibility of an independent currency could be painful for economies whose cyclical endurance is limited by  lower productivity or limited diversification. Reuters Pictures 3 months ago

Rates are displayed at a foreign currency exchange shop in the centre of Budapest in this February 17, 2009 file photo. Opponents of quick euro adoption have long argued that losing the flexibility of an independent currency could be painful for economies whose cyclical endurance is limited by lower productivity or limited diversification.