Instead of mutualising, or sharing, risks, EU member states only share procedures and follow common rules. But the risks remain within member states. There are many areas where this approach is pragmatic and sensible. A sudden spike in immigration is not one of them. A quota system is far too crude, and politically as unsustainable as fiscal transfers between countries. Such policies breed resentment, and ultimately fail. In a quota system you do not kick cans down the road, but people.