?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Fpublications.ut-capitole.fr%2Fid%2Feprint%2F15288%2F&rft.title=Robustness+of+equilibrium+price+dispersion+in+finite+market+games&rft.creator=Breton%2C+R%C3%A9gis&rft.creator=Gobillard%2C+Bertrand&rft.subject=B-+ECONOMIE+ET+FINANCE&rft.description=We+propose+an+approach+to+restricting+the+set+of+equilibria+in+a+market+game+and+use%0D%0Ait+to+assess+the+robustness+of+the+price+dispersion+results+obtained+by+Koutsougeras%0D%0A%5B2003%2C+J.+Econ.+Theory+108%2C+169%E2%80%93175%5D+in+the+multiple+trading+posts+setup.+More%0D%0Aprecisely%2C+we+perturb+the+initial+game+by+the+introduction+of+transaction+costs+and%0D%0Aour+main+results+are+the+following.+(i)+No+equilibrium+with+price+dispersion+of%0D%0Athe+game+with+costless+transactions+can+be+approached+by+equilibria+with+positive%0D%0Atransaction+costs+as+costs+get+arbitrarily+small.+(ii)+When+this+type+of+perturbation%0D%0Ais+considered+the+set+of+equilibrium+outcomes+is+not+affected+by+the+number+of%0D%0Atrading+posts.+In+addition%2C+the+analysis+hints+at+conditions+required+for+non-zero%0D%0Atransaction+costs+to+serve+as+a+source+of+price+dispersion+in+this+class+of+exchange%0D%0Aeconomies.&rft.publisher=TSE+Working+Paper&rft.date=2011-08&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=https%3A%2F%2Fpublications.ut-capitole.fr%2Fid%2Feprint%2F15288%2F1%2Fwp_tse_308.pdf&rft.identifier=++Breton%2C+R%C3%A9gis+%3Chttps%3A%2F%2Fwww.idref.fr%2F070133689%3E+and+Gobillard%2C+Bertrand+%3Chttps%3A%2F%2Fwww.idref.fr%2F11931469X%3E++(2011)+Robustness+of+equilibrium+price+dispersion+in+finite+market+games.++TSE+Working+Paper%2C+n.+11-308+++++&rft.relation=http%3A%2F%2Ftse-fr.eu%2Fpub%2F25836&rft.language=en