As an evaluation method of city systems engineering, there are some problems in the AHP. The major problem in practical application is how to examine and correct the consistence of judgment matrix.

作为城市系统工程的评价方法，传统的层次分析法存在一些问题，如何检验和修正判断矩阵的一致性问题是AHP在实际应用中存在的主要问题。

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Knowing these causes can make us examine our behavior，and correct bad habits.

了解这些原因能够让我们检查自身行为，改正坏习惯。

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Knowing these causes can make us examine our behavior, and correct bad habits.

了解这些原因能够让我们检查自身行为，改正坏习惯。

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But they typically examine shareholder reactions over a few days or weeks and assume the immediate reaction is correct over time, at least on average.

WSJ: The Pros and Cons of Stock Buybacks