Does early timing of first birth lead to lower earnings in midlife in Britain? / Jessica Nisén (University of Turku, Max Planck Institute for Demographic Research and University of Helsinki), Johanna Tassot (Max Planck Institute for Demographic Research, Maastricht University and UNUMERIT), Francesco Iacoella (Maastricht University and UNU-MERIT), Peter Eibich (Max Planck Institute for Demographic Research, Université Paris Dauphine-PSL and IZA) ; IZA Institute of Labor Economics