This study examines some of the literature on college faculty supply and demand and asks whether it is possible to adopt assumptions from the previous research to construct a complex model of faculty workforce using the available data. The study involved a comprehensive review of the literature; numerous interviews conducted by telephone, e-mail, and in person to discuss available datasets and various approaches to faculty supply and demand; analysis of 14 national datasets; and, finally, in-depth review of four datasets to assess their utility for modeling. The model developed had the following components: enrollment (undergraduate, masters, doctoral) broken out by gender and ethnicity; degrees (masters and doctoral); postdoctoral appointments; nonfaculty research staff; faculty population (full-time, instructional, research, and public service) broken out by rank within tenure status by discipline and by tier of institution, and including retirement rates, quit rates, and mortality by discipline; faculty workload for full-time faculty; and research activity, including the need for post-doctoral students, nonfaculty research staff, and degree productivity. This study suggests that it is impossible to construct a complex model of faculty supply and demand with currently available data. The report concludes with recommendations for improved data collection. (Contains 31 references.) (CH)