Political integration has contributed to rising inequality in the Eurozone

What effect has European integration had on inequality? Tobias Tober writes that while from a theoretical standpoint both economic and political integration can be linked to inequality, there is a lack of conclusive evidence on the actual effect in practice. Based on a study of 14 EU member states from 1999 until 2010, he illustrates that although economic integration appears to have no statistically significant impact on levels of inequality, political integration is consistently associated with a more unequal distribution of income