Demographic Research a free, expedited, online journal of peer-reviewed research and commentary in the population sciences published by the Max Planck Institute for Demographic Research Konrad-Zuse Str. 1, D-18057 Rostock · GERMANY www.demographic-research.org DEMOGRAPHIC RESEARCH VOLUME 23, ARTICLE 9, PAGES 223-256 PUBLISHED 30 JULY 2010 http://www.demographic-research.org/Volumes/Vol23/9/ DOI: 10.4054/DemRes.2010.23.9 Research Article Completing incomplete cohort fertility schedules P.C. Roger Cheng Eric S. Lin c  2010 P.C. Roger Cheng & Eric S. Lin. This open-access work is published under the terms of the Creative Commons Attribution NonCommercial License 2.0 Germany, which permits use, reproduction & distribution in any medium for non-commercial purposes, provided the original author(s) and source are given credit. See http://creativecommons.org/licenses/by-nc/2.0/de/