Lenovo, HP, Dell, Acer Group, and Apple dominate 70% of the world market for personal computers). Smaller competitors survive by focusing on providing unique products / services that meet the needs of select sub-segments in these industries. This type of competitive interaction illustrates:

Oligopoly

Explanation:

Oligopoly is simply defined as the situation in which more than two firms own/control the largest market share, while other smaller firms contend for the remaining share of the market.

For better understanding;

In this type of competition (Oligopoly), the smaller firms survive by offering unique features in their products and services while some offer cheaper prices for their products and services.

answer; work samples;

answerblank(1) negatively.blank(2); rises; blank(3) falls;