When the private and social benefits of a person's presence in a new country differ, basing admission decisions on willingness to pay may not be the best approach.
当一个人出现在新的国度，其私人收益和社会收益不同时，愿意付费就让其入境的决定可能不是最好的办法。
The most commonly used methods to evaluate the value of a statistical life (VSL) are human capital (HK) approach and willingness to pay (WTP) approach.
评估生命价值最常用的两种方法是人力资本法和支付意愿法。
The most commonly used methods to evaluate the value of a statistical life (VSL) are human capital (HK) approach and willingness to pay (WTP) approach.
评估生命价值最常用的两种方法是人力资本法和支付意愿法。
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