The French and German leaders are to travel to Italy later this month for talks on the European debt crisis.
President Nicolas Sarkozy and Chancellor Angela Merkel will meet with the Italian Prime Minister Mario Monti on January 20.
The leaders of the Eurozone's three largest economies are expected to discuss plans to counter new doubts about their deficit-reduction plans.
European stock markets closed mostly down this evening after the euro currency slipped to a fresh 16-month low against the dollar.