Skill complementarities and returns to higher education: Evidence from college enrollment expansion in China
Skill complementarities and returns to higher education: Evidence from college enrollment expansion in China
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技能互补性和高等教育回报：中国大学扩招的证据
DOI：
10.1016/j.chieco.2017.08.004
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发表时间：
2017-12-01
影响因子：
6.8
通讯作者：
Shi, Xinzheng
中科院分区：
文献类型：
--
作者：
Li, Hongbin;Ma, Yueyuan;Shi, Xinzheng
我们发现，中国大学扩招导致大学毕业生供应增加，增加了老年群体的大学保费，降低了年轻群体的大学保费。这一发现与假设不同年龄工人之间替代的典型模型不一致。随后，我们建立了一个简单的模型，考虑不同年龄和不同技能水平的工人之间的互补性。我们的模型预测，当技能成为稀缺资源时，高级工人的大学溢价会随着年轻大学毕业生的供应而增加。该模型的预测得到了实证检验的支持。
We find that the increased supply of college graduates resulting from college enrollment expansion in China increases college premiums for older cohorts and decreases college premiums for younger cohorts. This finding is inconsistent with the canonical model that assumes substitution among workers of different ages. We subsequently build a simple model that considers complementarities among workers of different ages and different skill levels. Our model predicts that the college premium of senior workers increases with the supply of young college graduates when skill is a scarce resource. The model's predictions are supported by empirical tests.