A period of time in which all factors of production and costs are variable. In the long run, firms are able to adjust all costs, whereas in the short run firms are only able to influence prices through adjustments made to production levels.Additionally, whereas firms may be a monopoly in the short-term they may expect competition in the long-term.ong-Run Average Total Cost-LRATC. Firms examining the long run understand that they cannot alter levels of production in order to reach an equilibrium between supply and demand.
10 most extreme places on Earth. A pharyngeal pouch is a pocket that forms in the lining of the pharynx, which sits at the back of the throat between the esophagus and the mouth in humans and most animals. videofluoroscopy swallow study, or barium swallow, is the most effective way of diagnosing a pharyngeal pouch in most cases. In this test, the patient drinks a solution that contains barium sulfate, a metallic compound that is visible on x-rays.
The pharynx, or throat, is a part of the body that helps with eating and with breathing. It is a passage that leads from the mouth and nose to the esophagus and the larynx. The esophagus is part of the digestive system, and the larynx is part of the respiratory system.The pharynx consists of three main divisions.One part leads from the back of the nose.t is a passage that leads from the mouth and nose to the esophagus and the larynx. The esophagus is part of the digestive system, and the larynx is part of the respiratory system. The pharynx consists of three main divisions. One part leads from the back of the nose.