in part because a common currency comes with a homogenised borrowing rate.
what you don't get however is a homogenised political culture taking direction from a homenginsed society, so imbalances that in the past have been equalised by periodic devaluations vis-a-vis its neighbours must be done internally. In the absense of a transfer union this leads to very painful social costs from crippled services.
a single currency between the benelx nations and germany, possibly with austria and finland in tow, would have been a great idea. expanding it gradually over the the course of a generation to the nations with a political and economic culture that met with the requirements of the core would likewise have been a good idea.
note, a formalised systemic transfer union would not be absolutely necessary as the similarity would allow transfers to happen internally, but at the same time it would have been politically acceptable precisely because sufficient trust exists among that core.
however, a monetary union between 17 radically different economies without the mechanisms to enforce convergence was stupid then, is stupid today, and will be even more stupid for those continueing to argue in its favour as we watch euro-solidarity crumble in the months ahead.
the absolute crippling idiocy, the existance of which i really cannot understand, is the ideological support for the euro in the face of its inadequacies from people who approve of its aim of a post-nationalistic europe bathed in peace and tranquility.................... and yet fail to recognise that those flaws are bringing the very problems they sought to banish. namely; increased zenophobia, increased nationalism, more social unrest, less prosperity for all, much less prosperity for some, and a general reduction in welfare and well-being conducive to the worst kind of popular-extremes of political ideology.
well done them!
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