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PostMonetary Union, Ordoliberalism, and a European "Superstate" (John Heelan, -UK, 05/25/16 4:35 am)
JE commented on 24 May: "It is worthy of note that monetary union is cited above as the linchpin of a European 'superstate.' Is this primarily a British belief?"
The following article in Foreign Policy magazine suggest not.
JE comments: The FP piece raises a central paradox of the EU: if Eurozone governance isn't working, why assume that what is needed is more of it?
Another sticking point is the incompatibility of economic worldviews in Berlin and Paris. Germany embraces ordoliberalism (the belief that state institutions can ensure the "freest" possible markets), while France is Keynesian.
On German ordoliberalism (and other forms of liberalism compared), see this excellent 2011 post from Alain de Benoist: