Over the last decade people became pay more attention to the problem of unemployment because it has strong impact to everyone. To lose your job means the deterioration of living standards. In the same time the increase of poverty level provides that people cease to trust government's pronouncements. The global economic crisis made it clear that unemployment is the most important political issue in the world. 

The consequence of unemployment is the mass immigration to the most developed European countries, but at the same time the consequence of immigration have a big affect on GDP and labour markets in country. What do immigrants do for the economy of country?