Le Pen is biggest threat to European economy

A win would raise questions about France's membership of the European Union and the future of the euro

Marine le Pen president of Front National
Ahead: far right French presidential candidate Le Pen is leading the polls

A victory for Marine Le Pen in the French presidential election would pose the greatest disruption to Europe's economy in 2017, as it would raise questions over France's membership of the European project and further swell the ranks of populist leaders in the Western world, according to attendees surveyed at the FX Invest Europe conference in Zurich.

There is no eurozone without France. It is a core country; it's embedded in the fabric of the European Union
Jeremy Lawson, Standard Life Investmen