1. Center
for Material Cycles and Waste Management Research, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, 305-8506, Japan
2. Faculty
of Economics, Kyushu University, 6-19-1 Hakozaki, Higashi-ku, Fukuoka, 812-8581, Japan
3. Faculty
of Political Science and Economics, Waseda University, 1-6-1 Nishi-Waseda, Shinjuku-ku, Tokyo, 169-8050, Japan
4. Bren
School of Environmental Science and Management, University of California Santa Barbara, 3422 Bren Hall, CA, USA
5. Graduate
School of Energy Science, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
6. Faculty of
Maritime Sciences, Kobe University, 5-1-1 Fukaeminami-machi, Higashinada-ku, Kobe, 658-0022, Japan