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To the excent that the higher earnings of college graduates reflects their greater ability rather than schooling,the rate of return is overstated.
Omission of ability biases the rate of return estimates by a small amount.
The screening hypothesis argues that schooling increases earnings not by increaing productivity but providing a way to identify high quality workers.
A more sontroversial issue was Becker"s conclusion that parents often act altruistically towards selfish children by highly investing in a child in an effort to indirectly save for old age .
Becker believed that the rate of return from investing in children was often greater than normal retirement savings.However ,parents can not know for sure that the child will take care of them .Since they cannot legally bind a child to care for them they often reasort to manipulation through instilling a sense of "guilt ,obligation ,duty ,and filial love that indirectly ,but still very effectively .......commits children to helping them out ."Becker even went so far as to say that social security can cause families to be less interdependent by removing the motivation of parents to use altruistic behaviors in motivating their children to care for them.
更高的收益很大程度上反映了大学毕业生更大的能力而不是受教育,回报率被夸大了。
筛查假说认为,学校教育增加收入而不是由略效率,提供一种方式来识别高质量的工人。
一个更sontroversial问题是贝克的结论父母往往对自私的儿童利他行动由高度投资于一个孩子以间接保存为年老。
贝克尔认为回报率的投资于儿童常常会超过正常退休储蓄。然而,父母不能确信,孩子会照顾他们的。因为他们不能合法绑定一个孩子去照顾他们,他们常常reasort操纵通过灌输一种意义上的“内疚、义务、责任、孝道、爱,间接,但仍然非常有效地.......提交的孩子帮助他们了。“贝克尔甚至说,社会保障会导致家庭少相互依存的动机通过移除的家长使用利他行为在激励他们的孩子去照顾他们。
谁能把这段英文顺顺,通顺一点
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