EU Rates
Lenders to governments run two types of risks: credit risk (the country won't pay back 100% of the loan), and currency risk (a country borrowing in its own currency can pay back the loan by "printing money"). Developing countries often borrow loans denominated in a currency like the US $, to remove currency-risk. Despite this, they have to pay higher rates of interest because they are not great credit risks. Countries have defaulted throughout history. Yet, consider the chart on the left. After European countries joined the Euro, interest rates on their borrowing became almost equal. And, notice how that finally ended around 2008, with the "great recession". Why were rates nearly equal for about 9 years? Under the Euro, countries agreed not to default (default was not envisaged). They also agreed to stick to certain deficit limits Finally, there was a good possibility that the EU and the ECB would come to the aid of any country in trouble, bail...