5 IZA Discussion Papers
现正讨论文件No. 12960
现正讨论文件No. 12478
forthcoming in: Journal of Human Resources
现正讨论文件No. 10845
现正讨论文件No. 8141
revised version published as 'Do Internships Pay Off? The Effects of Student Internships on Earnings' (joint with Shushanik Margaryan and Mathias Schumann) in: Journal of Human Resources, published online before print May 12, 2020
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