In pituitary apoplexy, the main initial problem is a lack of secretion of adrenocorticotropic hormone (ACTH, corticotropin), which stimulates the secretion of cortisol by the adrenal gland. This occurs in 70% of those with pituitary apoplexy.
DEFINITION of 'Net Present Value Rule'. A rule stating that an investment should be accepted if its net present value is greater than zero and rejected otherwise.According to the theory of net present value (NPV), participating in a positive NPV project will increase firm or shareholder wealth. rule stating that an investment should be accepted if its net present value is greater than zero and rejected otherwise.
A price ceiling is the legal maximum price at which a good can be sold, while a price floor is the legal minimum price at which a good can be sold. A price ceiling is only binding when the equilibrium price is above the price ceiling. The market price then equals the price ceiling and the quantity demanded exceeds the quantity supplied, creating a shortage of goods. A price floor is only binding when the equilibrium price is below the price floor. The market price then equals the price floor and the quantity supplied exceeds the quantity demanded, creating a surplus of goods.