@Article{ GEORGANTZIS_Contreras-Marin:19-31,

author = { NIKOLAOS GEORGANTZIS and Roberto Contreras-Marin } ,

title = { COLLUSION IN A BERTRAND DUOPOLY MODEL WITH DECREASING RETURNS AND PRODUCT DIFFERENTIATION },

journal = { Estudios De Economía (Santiago. Impresa) },

year = { 2008 },

volume = { 35 },

pages = { 19-31 },

}