Question 7 Which of the following best defines an optimum currency area? Not yet answered Marked out of 1.00 Select one: Flag O a. a group of countries in close proximity to each other and with similar per capita income question O b. a group of nations that engage in free trade with each other O c. a group of nations sharing the same currency O d. a group of regions with economies closely linked by factor mobility and by trade in goods and services Question 8 Which one of the following unexpected events ignited the 2009 euro crisis? Not yet answered Select one: Marked out of 1.00 O ar Bank failures in Ireland. P Flag O b. Mortgage-based securities crisis in Portugal. question O c. The prospect of a sovereign default by Greece. O d. Hyperinflation and political upheaval in Eastern Europe