Asian countries should heed lessons of sovereign debt crisis in Europe and be prudent about adopting a single currency

With a debt crisis emerging in Italy, the third largest European economy and the world's seventh largest, the eurozone sovereign debt crisis that broke out at the end of 2009 is clearly escalating rather than subsiding. Its effects, if unchecked, will likely stunt the development of eurozone countries and the European Union (EU) as a whole.

European countries' rush to push for economic integration disregarding their specific individual conditions has served as the main cause of the current debt crisis in some EU countries.

The gradual integration of European countries that began in the late 1950s played a positive role in helping Europe's economy recover from World War II, but the later accelerated momentum, which led to the birth of the euro as the single eurozone currency in 2002, has since caused fierce debates between proponents and opponents of European integration.

While the creation of a eurozone at a time when the world's economy was generally stable did reduce trade barriers and transaction costs between member nations, the existence of ever-growing economic, political and social variations among eurozone countries has increased the difficulties for economic policy coordination among members and thus undermined their ability to cope with the crisis.

Under the single currency, eurozone countries have to hand over their monetary decision-making to the European Central Bank (ECB), but at the same time they can implement comparatively independent financial policies. As a result, eurozone countries have fallen short of an effective economic regulatory method and failed to strengthen monetary and financial policy coordination.

Despite the ECB's efforts to stabilize prices as its primary monetary policy target, the euro exchange rate still fluctuates in accordance with the supply-demand of the international currency market. Such a policy has indirectly removed the capability of individual eurozone countries to utilize the exchange rate to their advantage. This, together with its inability to strengthen financial and monetary policy coordination among member states, has made it hard for the ECB to stabilize the euro. The adoption of a supra-sovereign currency among mutually independent EU countries remains a fundamental dilemma for the euro.

The lack of an effective monitoring and regulatory regime is the direct cause of the current eurozone sovereign debt crisis. With the birth of the euro, EU countries passed an agreement stipulating that the fiscal deficit in eurozone countries should not exceed 3 percent of their gross domestic product (GDP) and the total sovereign debt should not exceed 60 percent of their GDP. However, the lack of an effective monitoring mechanism produced huge divergences among member states, resulting in the failure of some to abide by the accord. The lack of punitive measures for those that did not abide by the accord has facilitated these violations.