岡村, 薫, 福重, 元嗣Graduate School of Economics and Osaka School of International Public Policy (OSIPP), Osaka University2007-11Discussion Papers In Economics And Business07-42
佐藤, 純恵, 福重, 元嗣Graduate School of Economics and Osaka School of International Public Policy (OSIPP), Osaka University2007-10Discussion Papers In Economics And Business07-41