4 IZA Discussion Papers
14003号现正讨论文件
forthcoming in: Journal of Human Resources, 2022
现正讨论Paper No. 8405
published in: Journal of Econometrics, 2017, 200 (2), 344-362
现正讨论Paper No. 7457
published in: Empirical Economics, 2015, 48, 83-141
现正讨论Paper No. 1098
published in: Journal of Applied Econometrics, 2005, 20 (6), 771-795
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