TY - RPRT A1 - Nitsche, N. A1 - Trimarchi, A. A1 - Jalovaara, M. T1 - The power of two: Second birth rate differences between couples with homogamous and heterogamous educational pairings Y1 - 2020 DO - 10.4054/MPIDR-WP-2020-029 PB - Max Planck Institute for Demographic Research CY - Rostock T3 - MPIDR Working Paper WP-2020-029 ER -