Help on this question please

vertical merger is the term used for the joining of two or more firms involved in different stages of producing the same good or services.

explanation:

concurrent jurisdiction is the ability to exercise judicial review by different courts at the same time, within the same territory, and over the same subject matter. for instance, a domestic violence matter may be heard in either a general civil court or a family court in the same county. whichever court actually exercises its jurisdiction first will do so exclusively.