This paper takes a new approach to testing whether employer learning is public or private. We show that public and private learning schemes make two distinct predictions about the curvature of the wage growth path when a worker changes jobs, because less information about the worker's productivity is transferred to a new employer in the private learning case than in the public learning case. This prediction enables us to account for individual and job-match heterogeneity, which was not possible in previous tests. Using the National Longitudinal Survey of Youth 1979, we find that employer learning is public for high-school graduates and private for college graduates.

中文翻译：

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雇主学习、工作变化和工资动态

本文采用了一种新方法来测试雇主学习是公共学习还是私人学习。我们表明，当工人换工作时，公共和私人学习计划对工资增长路径的曲率做出了两种不同的预测，因为在私人学习案例中，与公共学习案例相比，转移到新雇主的关于工人生产力的信息更少. 这种预测使我们能够解释个人和工作匹配的异质性，这在以前的测试中是不可能的。使用 1979 年全国青年纵向调查，我们发现雇主学习对高中毕业生来说是公开的，而对大学毕业生来说是私人的。