Would the euro really be in danger without Schengen?

The hundreds of thousands of refugees and migrants pouring into the EU have put the bloc’s open borders, the passport-free Schengen zone under almost unbearable pressure with more and more countries introducing temporary border controls.

EU leaders have warned that dismantling the Schengen system would ultimately lead to the death of the single market, and shake the common currency, the euro.

However, economists say there is no direct link between the two, and that the dismantli...