H. Reiju Mihara Kagawa University   Graduate School of Management, Kagawa University Takamatsu, Kagawa 760-8523 Japan   reiju@ec.kagawa-u.ac.jp   http://www.ec.kagawa-u.ac.jp/%7Ereiju/   Biographical Sketch: PhD, Economics, University of Minnesota   Primary Research Focus: social choice   JEL Areas: D7 : Analysis of Collective Decision-Making: General