Is the Twin-Boom in Developed Countries Coming to an End? • Gilles Pison, Institut National d'Études Démographiques (INED) ; Christiaan W. S. Monden, University of Oxford ; Jeroen Smits, Radboud Universiteit Nijmegen

Lifetime Reproduction: Mean, Variance, and Other Statistics across the Fertility Transition • Silke van Daalen, University of Amsterdam ; Hal Caswell, University of Amsterdam

What Are the Consequences of Fertility Postponement for Women’s Completed Family Size? • Juliet A. Stone, University of Southampton ; Ann M. Berrington, University of Southampton ; Eva Beaujouan, Wittgenstein Centre (IIASA, VID/ÖAW, WU)

Effects of Parasitism on Fecundity and Life History in Human Females • Aaron D. Blackwell, University of California, Santa Barbara ; Marilyne Tamayo, University of Missouri, Columbia ; Hillard S. Kaplan, University of New Mexico ; Michael D. Gurven, University of California, Santa Barbara