Worldwide, Coca-Cola and PepsiCola dominate the soft-drink market, selling significantly more beverage products than any other producers. This domination by only two producers is BEST described as a (n)

This is best described as a oligopoly

The answer: oligopoly

Explanation: since among all the soda producers, coca-cola and pesi cola dominate the market, this kind of market structure can be described as oligopoly. Oligopoly is when the market is controlled by a small number of firms, none of which can keep the others from having significant influence

The two firms control the majority of the market share therefore it can be said, they are in an oligopolistic market.