It comes on the back of data showing France's economy contracted in the third quarter. Together, the figures provide a worrying assessment of the country's ability to compete at a time of subdued global growth and a strong euro.
President Francois Hollande, who was elected a year ago after campaigning to put growth before austerity and introduce higher taxes on the rich, has seen his approval ratings fall sharply as unemployment continues to climb.
He has been urged by his European partners and international institutions to be bolder with his economic reforms.
Ratings agency S&P downgraded France this month on fears the government will be unable to restore the economy's competitiveness.