Ichiro Iwasaki Hitotsubashi University   Naka 2-1 Kunitachi, Tokyo 186-8603 Japan   iiwasaki@ier.hit-u.ac.jp   http://www.ier.hit-u.ac.jp/English/faculty/iiwasaki.html           JEL Areas: P3 : Socialist Institutions and Their Transitions: General J3 : Wages, Compensation, and Labor Costs: General