@Article{ GEORGANTZIS_CONTRERAS: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 },

year = { 2008 },

volume = { 35 },

issn = { 0304-2758 },

pages = { 19-31 },

}