The paper analyses on the mode of the Expectancy theory, developing its content, and states on how to apply the theory to the management of modern enterprises.
期望理论模式的分析，期望理论内容的拓展，期望理论在现代企业管理中的具体应用。
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Colony employee's motivation is an important part in the management of human resource in modern enterprise. vroom expectancy model of employee's motivation describe inspirit to individual employee.
The expectancy theory 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.