The theoryofexpectancy, an important part in the theoryof encouragement, involves a profound analysis of the key aspects of the working motives of the staff and revelation of its inner necessity.
The expectancytheory is an important result of the theory of the modern human resource management, using this theory for reference in library's management possesses important significance.
期望理论是现代人力资源管理理论中的重要成果，将这一理论借鉴到图书馆管理中具有重要的意义。
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The paper analyses on the mode of the Expectancytheory, developing its content, and states on how to apply the theory to the management of modern enterprises.