But his appraisal was based on selling the jewels retail, where gems can fetch a lot more than when sold at auction under financial duress.

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"Long Island is continuing to slip, but a modest amount, " says Jonathan Miller, president of Miller Samuel, a New York-based real estate appraisal and consultancy firm.

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In London a REIT publishes a NAV based on a recent appraisal.

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Haught is a Catholic theologian at Georgetown who has long argued that Catholic theology needs to renew itself based on a serious appraisal of evolution.

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With some tweaking, the outputs can be surprisingly accurate, says Donald Kelly, a public affairs man with the Appraisal Institute, an industry group based in Washington, D.

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This requires all doctors in the UK to show they are keeping up to date and are fit to practise, based on an annual appraisal and feedback from patients, doctors, nurses and other colleagues.

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