Answer:
The correct answer is letter "C": the coattail effect.
Explanation:
The coattail effect is a term mainly used in Politics that describes a situation in which a candidate running for an office and who is usually at the top of preference helps to attract voters for other candidates. In economics, the term might have a negative connotation. It implies businesses that belong to the same industry dragging each other to failure because of other factors rather than competition.