Political instability has characterized international finance since 2008 , writes Andrew J . Italian President Giorgi Napolitano warned this week that the country could be on the verge of violent social uprising following more than a week of protests in several cities . Hammond : The impact of the financial crisis has varied from country to country . The popular uprisings in emerging economies such as Ukraine and Brazil have been eye - catching , he writes . Hammond : The current ` ` wave '' of volatility has been driven by a broad range of factors .
Political instability has characterized international finance since 2008 , writes Andrew J . Hammond : The impact of the financial crisis has varied from country to country . The popular uprisings in emerging economies such as Ukraine and Brazil have been eye - catching , he writes . Hammond : The current ` ` wave '' of volatility has been driven by a broad range of factors .