Final answer:
A merger-acquisition is the combination of two firms into one, and in some cases, only the shareholders of the acquired firms benefit from it.
Step-by-step explanation:
A merger-acquisition refers to the combination of two separate firms into a single firm, where one firm purchases or acquires another firm. This decision is made by the owners of the firms involved and can have various impacts. In some cases, the only beneficiaries of a merger-acquisition are the shareholders of the acquired firms.