Italian centre-left leader Matteo Renzi took office on Saturday as his country's youngest prime minister.
Current account deficits have been a drag on the Greek economy for decades.
Greek public sector workers have gone on strike for the second time in a week.
Greece secured a 6.8 billion euro lifeline from the euro zone on Monday.
Germany is now suffering a contraction in business activity that has long dogged France, Italy and Spain.
Euro zone countries inundated by protests as scores of unemployed people took to the streets