This is hardly optimal if IT is to become professionally managed.

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The financial barrier is optimal because it will allot visas to those who value them most.

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In a post-financial crisis world where credit and capital flows are particularly challenged, it is especially critical to analyze the optimal deployment of both financial and human capital.

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And for a common currency to work it must be applied across something which is at least close to being an optimal currency area.

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What it means is that computing power gravitates to its optimal point geographically.

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So, to be an optimal currency area it is necessary that interest rates, as determined by the Taylor Rule, are desirably the same in all areas of that currency zone.

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Quite simply because it has been imposed on something which is not anywhere close to being an optimal currency area.

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There are two things that can be done to make it more of an optimal zone: one is a central treasury operation and the tax redistribution that comes with that.

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And here we get to the ritual incantation: the eurozone simply is not an optimal curency area and thus it should not have the same currency.

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