Regarding the volume question, it's a bit of a myth that there are significant economies of scale in the apparel industry based on volume. (treehugger.com)
For a merger to deliver significant economies of scale benefits, one or both parties should be significantly below minimum efficient scale. (inc.com)
At that time, because there was no technology for transporting meat long distances, the beef industry lacked significant economies of scale and beef was sold on an exclusively local basis. (educationnext.org)