Melatonin Side Effects. Melatonin helps to control the natural sleep-wake cycle of the human body. The natural levels of melatonin in the blood is highest at the time before bedtime. Melatonin is a hormone which can affect other processes inside the body. Persons at high risk of getting side effects from melatonin are those with liver disease, seizures, depression, kidney disease and high blood pressure. The long term side effects of Melatonin is still unknown.
Definition of 'Contractionary Policy'. Definition: A contractionary policy is a kind of policy which lays emphasis on reduction in the level of money supply for a lesser spending and investment thereafter so as to slow down an economy.
Expansionary policy seeks to accelerate economic growth, while contractionary policy seeks to restrict it. Expansionary policy is traditionally used to try to combat unemployment in a recession by lowering interest rates in the hope that easy credit will entice businesses into expanding. This is done by increasing the money supply available in the economy. Expansionary policy attempts to promote aggregate demand growth. As you may remember, aggregate demand is the sum of private consumption, investment, government spending and imports. Monetary policy focuses on the first two elements.