LVduopolistiska situācija; divu savstarpēji konkurējošu uzņēmumu monopols
DEduopolistische Marktstruktur
FRduopole
Definīcija:Duopoly - A condition in which there are only two suppliers of a certain commodity, service, etc.; the domination of a particular market by two firms. Hence du'opolist, one member of a duopoly (OXFORD)