Did Illegally Counted Overseas Absentee Ballots Decide the 2000 U.S. Presidential Election? 1 Kosuke Imai 2 Gary King 3 January 25, 2002 1 Thanks to Jim Alt and Jonathan Wand for helpful discussions and the National Science Foun- dation (IIS-9874747), the National Institutes of Aging (P01 AG17625-01), and the World Health Organization for research support. Software to implement the methods in this paper is available from http://GKing.Harvard.Edu. 2 Ph.D. candidate, Department of Government, Harvard University. (Center for Basic Research in the Social Sciences, 34 Kirkland, Cambridge MA 02138; http://www.people.fas.harvard.edu/~ kimai, KImai@Fas.Harvard.Edu). 3 Professor of Government, Harvard University and Senior Science Advisor, Evidence and Infor- mation for Policy Cluster, World Health Organization (Center for Basic Research in the Social Sci- ences, 34 Kirkland Street, Harvard University, Cambridge MA 02138; http://GKing.Harvard.Edu, King@Harvard.Edu, (617) 495-2027).