<P>1.Price and Quantity Competition in a Differentiated Duopoly with Upstream Suppliers <BR>Author: Correa-López, Mónica<BR>Source: Journal of Economics &amp; Management Strategy, Volume 16, Number 2, Summer 2007 , pp. 469-505(37)<BR>Publisher: Blackwell Publishing</P>
<P>2.A noncooperative shipping Cournot duopoly with linear-quadratic transport costs and circular space<BR>Author:Matsumura T, Shimizu D<BR>Source:Japan Econ Rev</P>
<P>3.Cournot and Bertrand in shipping models with circular markets<BR>Source:Papers in Regional Science<BR>Volume 85 Issue 4 Page 585-598, November 2006 </P>
<P>4.Credible collusion in a model of spatial competition<BR>Author:Raquel Arévalo Tomé, José-María Chamorro-Rivas <BR>Source:Papers in Regional Science <BR>Volume 86 Issue 4 Page 633-642, November 2007</P>
<P>5.Optimal Export Taxes with an Endogenous Location<BR>Author:Hong Hwang, Chao-Cheng Mai<BR>Sorce:Southern Economic Journal, Vol. 65, 1999</P>