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Helmuth Cremer, and Kerstin Roeder, “Income taxation of couples, spouses' labor supplies and the gender wage gap”, Economics Letters, vol. 175, February 2019, pp. 71–75.
Francesca Barigozzi, Helmuth Cremer, and Chiara Monfardini, “The gender gap in informal child care: theory and some evidence from Italy”, Economia Italiana, 2019, forthcoming.