Katherine Murphy, of the Patients Association, said there was a "huge degree of confusion" about the issue.

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It is a small but growing share of the roughly 13, 000 business degree-granting institutions world-wide, according to the Association to Advance Collegiate Schools of Business, an accrediting body.

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The for-profit sector has been tarnished by minimal admission standards, low rates of degree completion, and high loan default rates, hardly the kind of brand association a world-renowned university would seek out.

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Chen Zhi, vice head of the association, estimated that housing prices in Beijing would continue to fall, and possibly at a faster degree.

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