The workshop was organized already on September 24, 1998. Names of proposed speakers: Lisa Sattenspiel (University of Missouri, USA), Minus van Baalen (UvA), Mart de Jong (ID-DLO), Matt Keeling (Cambridge University, UK), Gianpaolo Scalia-Tomba (Universita La Sapienza, Rome, Italy), Klaus Dietz (University of Tübingen, Germany), Tom Snijders (RUG), John Edmunds (University of Warwick), Jacco Wallinga (RIVM), Nico Nagelkerke (RIVM & KNCV).