About a third of relatives looking after children because their parents are no longer able to can afford to provide basic items, a study has found.

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But the study is also a reminder of something more basic: In considering the fiscal position, governments need to consider not just what will happen if the economy continues broadly on track, but also if it gets into trouble.

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That assessment would answer a basic question: Does the city have talent in any field of study that leads the world?

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Pentagon officials already are concerned that if the military rejects the Baker panel's suggestions, conservatives on Capitol Hill will use the study as a lever to push for legislation banning mixed-gender basic training altogether.

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Professor Neumark summarized some of their findings in a column published in the Wall Street Journal last summer, and he discusses the basic economic theory (and the evidence) in a short, accessible 2006 Policy Study for the Show-Me Institute.

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The study looks for seats at the basic award level, usually 12, 500 miles for a domestic one-way ticket, for example.

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The study is available online at no cost and with the help of the Internet, it has provided a basic reference for congressional and federal hearings and has helped create curriculum for graduate programs, Carpenter said.

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