IZA Publications
IZA Discussion Paper No. 9714
IZA Discussion Paper No. 9163
published in: China Economic Review, 2016, 37, 191-207 (pre-publication)
IZA Discussion Paper No. 6631
修改后的版本发表于:牧师iew of Economics of the Household, 2014, 12(3), 517-546[Online Access]
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