Karavaev, Andrei (2008): Information Trading in Social Networks. Unpublished.
Krishna, Kala (2009): Background Paper on the IMF's Trade Restrictiveness Index. Unpublished.
Rose, Adam and Zhang, ZhongXiang (2003): Interregional burden-sharing of greenhouse gas mitigation in the United States. Unpublished.
Yoshida, Jiro and Sugiura, Ayako (2010): Which “Greenness” is Valued? Evidence from Green Condominiums in Tokyo. Unpublished.