Answer:
D. Cournot model.
Step-by-step explanation:
This is explained to be a model pattern wherever 2 companies in most cases that are in duopoly are seen to provide a sort of product at the same time meeting a needed amount and most importantly severally as a kind of competition. As seen above, that was the case of the two firns in the above question. Founding economist fathers has explained that if a game contains a continuous strategy set then it's not forever simple to depict the strategic kind and outcome matrix is an in depth kind as a tree. so as to gift Cournot game, new notation are going to be helpful if a game contains a continuous strategy.