A merger occurs when 2 or more businesses combine to form a new business.
Horizontal merger = occurs when one firm combines with another firm in the same stage of the same production service.
Vertical merger = occurs when one firm combines with another firm in a different stage of the same production service.
Conglomerate merger = occurs when one firm combines with another firm in a different type of production service. Eg. Red Bull x Jaguar F1 to form Red Bull Racing