The deepening of the credit crisis in the EU has triggered a wave of self-reflection, prompting those on the inside to ponder life without the Euro and those on the outside pondering life with the Euro. Their opinions couldn't be any more divergent. Countries like Italy, Spain, and Ireland, for example, have blamed the Euro for their economic woes, arguing that easy monetary policy and cheap credit were responsible for their real estate bubbles. Some commentators, accordingly, have argued that structural differences between these countries and the economic powerhouses of Germany and France are so large that it doesn't make sense for them to share a common currency. Meanwhile, Eastern European countries, most of which are still outside the Euro, are clamoring to join as sudden depreciations in their respective currencies have exposed them to massive economic instability. Business Week reports:

What happened, in effect, was rapid economic isolation. This began as investors moved money from more risky regional stock and currency markets into safer, often euro-denominated, assets, in what economists call a "flight to quality."

Read More: The Euro's Growing Appeal