They've already taken a major haircut.
Huge units and trade zones...like the Eurozone have a hidden reality behind them....more trade, more travel, more transportation expense, more pollution, more debt...more oil...less localized national economic resourcefulness. While I say this, I am not an anti-trade person. I clearly understand the need for countries to export and import. It is really not the fact that countries trade that is the problem. It is the gross promotion of this "trade" as the answer to all problems. In this so-called "trade" bankers have managed to very badly affect the economies of many nations...Greece included. It is looking more and more like the Euro has become simply another tool for economic conquest and domination. That needs to be solved. Onerous debt needs to be forgiven and not allowed to linger and trifle with the lives of common people in any country. A economic system that allows huge unpayable debts to accrue clearly needs to be adjusted.
Whoever you are, wherever you are, you only have ONE LIFE. If the time of your life passes while you are being economically disadvanaged, you lose. This is just a personal note on this matter. Humanists understand that. Bankers and oligarchs get so wrapped up in their games, they neither understand nor care. If Greece were to exit the Euro, it may be better, and I suspect it would be worse if they remained in the system if the system remained unchanged. The very fact that the world looks to people like Merkel and LeGarde for answers is a bit disheartening. I do believe these people feel they are doing the right thing but their policies are not humanistic, so they are not measuring the right parameters for the well being of the largest number of people.