“…Changing patterns of partnerships and gender differences For each of these 17 major forces up to 10 specific arguments were listed, with responding experts invited to add additional self-defined arguments. These specific arguments are listed and discussed in Basten et al (2013), Fuchs and Goujon (2013), Caselli et al (2013), Garbero and Pamuk (2013), and Sander et al (2013) dealing with fertility, mortality, and migration. 2 For each of the arguments the experts were asked to judge the degree of correctness based on the scientific evidence.…”