ROBERT ISRAEL AUMANN, recent winner of the Nobel Prize in Economics, has also published on game theory and the Talmud. See his articles "On the Matter of the Man with Three Wives" [PDF file] (Paper 46, updated and revised [I think from a 1985 original - JRD] for the Rabbinic public), Moriah 22, 3-4, Tevet 5759 (January 1999): 98-107 (in Hebrew) and "Risk Aversion in The Talmud," Economic Theory 21 (2003): 233-239. (From his full list of publications here.)