Notes, Comments and Preliminary results Oct 16 2012 Takeshi Ebina and Daisuke Shimizu   A unidirectional Hotelling model revisited   Abstract  Contact Information  Citation  Full Text  -  Note   Oct 28 2009 Takeshi Ebina , Toshihiro Matsumura and Daisuke Shimizu   Mixed oligopoly and spatial agglomeration in quasi-linear city   Abstract  Contact Information  Citation  Full Text  -  Note   May 01 2009 Toshihiro Matsumura and Daisuke Shimizu   Equilibrium Location and Economic Welfare in Delivered Pricing Oligopoly   Abstract  Contact Information  Citation  Full Text  -  Note