More diverse financing sources can raise new opportunities but can also pose risks, said a joint IMF-World Bank report on public debt vulnerabilities in low-income countries. While the share of low-income countries at high risk fell by almost half between 2007 and 2013, debt vulnerability has actually increased in the past two years. According to the report, which looks at 74 low-income countries, public debt trends have changed significantly over the past decade. Debt relief programs, strong growth, and high demand for commodities, drove the average debt-to-GDP ratio down from 66 percent in 2006 to around 48 percent at end-2014. […]