Shortage - Definitions. 1  In a perfect market (one that matches a simple microeconomic model), an excess of demand will prompt sellers to increase prices until demand at that price matches the available supply, establishing market equilibrium [1] [citation needed].
Addison's disease. Addisonâs disease, also known as primary adrenal insufficiency and hypocortisolism, is a long-term endocrine disorder in which the adrenal glands do not produce enough steroid hormones. Symptoms generally come on slowly and may include abdominal pain, weakness, and weight loss. Darkening of the skin in certain areas may also occur.
The symptoms of Addison's disease can include any or all of the following: 1  loss of appetite and weight. 2  nausea, vomiting or diarrhoea. 3  muscle weakness.  chronic, worsening 1  fatigue. low blood pressure.  salt 1  cravings. dehydration.  hypoglycaemia, or low blood sugar levels (especially in children)