The document defines monetary policy as decisions about the money supply and its purchasing power. It aims to achieve full employment and price stability in both developed and developing countries. Monetary policy tools include open market operations, required reserves, and moral persuasion. The targets can be money supply or interest rates. Different schools of thought have debated the relationship between money supply, prices, and output. The State Bank of Pakistan uses both contractionary and expansionary monetary policy by adjusting the policy rate and money supply in response to economic conditions like inflation, growth, and financial stability. It faces challenges in targeting objectives but can improve forecasting, understand transmission mechanisms, and increase transparency.