Institution: | 1.Faculty of Economics, Kindai University, 3-4-1, Kowakae, Higashiosaka, 577-8502, Japan ;2.Graduate School of Economics, Kobe University, 2-1 Rokkodai-cho, Nada-ku, Kobe, 657-8501, Japan ;3.Department of Economics, The University of Gothenburg, P.O. Box 640, SE 405 30, Gothenburg, Sweden ; |