Euro zone trade unions are preparing for possible confrontations in the coming week if governments impose austerity measures or labor reforms unilaterally.
But ministers made clear they were ready to take unpopular steps to prevent the Greek debt crisis spreading to their economies, although doubts are growing about whether the Spanish government in particular has enough support to get its way.
Budget Minister Francois Baroin indicated on Sunday that France should not take for granted its AAA rating, which allows Paris to borrow relatively cheaply on international markets and finance its big budget deficit.
"The objective of keeping the AAA rating is an objective that is a stretch, and it is an objective that, in fact, partly informs the economic policies we want to have," Baroin said.
"We must maintain our AAA rating, reduce our debt to avoid being too dependent on the markets, and we must do this for the long term," he told Canal+ TV in an interview.
Baroin later clarified that the target was "a demanding (objective) which we're committed to."
France has forecast its deficit will hit 8 percent of gross domestic product this year, but aims to bring it down to within the European Union's 3 percent limit by 2013.
Talks are under way on pension reform and Paris has frozen central government spending, barring pensions and interest payments, between 2011 and 2013. It is also considering a constitutional amendment to set binding budget deficit limits.
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