Answer:
decide to increase advertising expenditures even if it means a reduction in profits.
Explanation:
An oligopoly can be defined as a market structure comprising of a small number of firms (sellers) offering identical or similar products, wherein none can limit the significant influence of others.
Hence, it is a market structure that is distinguished by several characteristics, one of which is either similar or identical products and dominance by few firms.
The characteristics of an oligopolistic market structure are;
I. Mutual interdependence between the firms.
II. Market control by many small firms.
III. Difficult entry to new firms.
Under oligopoly, if a business firm decides to significantly increase its advertising expenditures in order to increase its market share, it is most likely that other business firms in that industry will decide to increase advertising expenditures even if it means a reduction in profits.
Basically, the behavior of all business firms is highly dependent on the behavior of the other firms in the industry is oligopoly.