Markowitz built a diversified portfolio model that assumed that the portfolio structure would be located on the frontier point that would yield maximum utility.

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Given the enormous obligations of many Ivy League endowments to fund general university operations, their portfolios were positioned on the wrong point of the efficient frontier.

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My point is not that the digital frontier is ungovernable, or should be left a kind of Wild West ruled at gunpoint by vigilantes and posses.

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Among the unique objects which point to the presence of Africans on the military frontier, is a 2nd Century AD blue glass mould-blown vessel in the form of an African man's head.

BBC: NEWS | UK | England | Tyne/Wear | Romans 'were not colour prejudiced'