In recent weeks, the massive arrival of asylum seekers opened a debate about the economic and political repercussions of immigration in Europe. The discussion is not entirely new.

However, the current migration flow into Europe is somewhat different from those of the past. Unlike the litany of previous population movements, this one involves a combination of asylum seekers from Syria, Iraq and Afghanistan and economic migrants from sub-Saharan Africa and the Balkans, most of whom arrive in Europe by land or sea.

Many of these migrants endure long and dangerous trips from their countries of origin.

Still, though this refugee crisis is unique in many respects, previous migration experiences offer some indication of how it could affect Europe. For one thing, the process of integrating foreigners remains problematic for European nations.

Migrants walk to cross the border with Austria in Hegyeshalom Thomson Reuters

In most Western European countries, migrant workers tend to be disproportionally represented in the bottom segments of the national earnings distribution. Eurostat data also shows that in most EU countries, unemployment rates are higher among migrants.

Both disadvantages are particularly pronounced among non-European immigrants — a key aspect to keep in mind considering the backgrounds of the men and women currently arriving in Europe.

Moreover, migrants tend to go where jobs are available and migration policies are friendly. This fact will undermine any EU efforts to introduce one-size-fits-all policies such as the automatic relocation of migrants.

If a migrant wants to go to Austria, there is little the European Union can do to keep him or her in Romania. If Germany allows refugees to work three months after they arrive in the country while France makes them wait for a year, it is only natural that migrants will continue to choose Germany over France.

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And as long as Sweden offers friendlier asylum legislation than Denmark, the former will be a destination country while the latter will be a transit country for asylum seekers.

In the months ahead, the European Union is likely to harden its resolve to stem immigration, taking steps to consolidate the so-called Fortress Europe. But this position will have little meaning without additional measures to integrate those who have already arrived and those who will undoubtedly arrive in the future.