Haim Levy is Miles Robinson Professor of Business Administration at the Hebrew University of Jerusalem and Dean of the Academic Center of Law and Business, Israel. The author of hundreds of articles in leading academic journals and about twenty books, he has obtained the ranking of the most prolific researcher in finance in the world covering the forty years through 1986 and the most prolific researcher in finance in the world in the core sixteen finance journals covering the fifty-year period through 2005. A co-author with Nobel Laureates Harry Markowitz and Paul Samuelson, Professor Levy's m...