The slow-down in productivity and income over the past decade has weakened the European Union’s output legitimacy, which is grounded in delivering prosperity to its citizens. At the same time, decreasing growth reduces the capacity of governments to maintain existing levels of welfare...

• Roughly two thirds of the European Union's budget is financed out of member states' national tax revenues. These resources, based on gross national incomes, are transparent, fair and in line with the principle of subsidiarity but they lead to political debates that emphasise the cost of EU...