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Subject of degree and the gender wage differential : evidence from the UK and Germany
Machin, Stephen; Puhani, Patrick A. - In: Economics letters 79 (2003) 3, pp. 393-400
Persistent link: https://www.econbiz.de/10001755299
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The treatment effect, the cross difference, and the interaction term in nonlinear "difference-in-differences" models
Puhani, Patrick A. - In: Economics letters 115 (2012) 1, pp. 85-87
Persistent link: https://www.econbiz.de/10009615309