Mar 05 2010 Masaki Iimura , Tatsuhiro Shichijo and Toru Hokari   Subgame-perfect free trade networks in a four-country model   Abstract  Contact Information  Citation  Full Text  -  Note   Dec 23 2005 Domenico Scalera and Alberto Zazzaro   Cost reducing investments and spatial competition   Abstract  Contact Information  Citation  Full Text  -  Note