Central banking is the academic field, research area, and professional practice concerned with the institutions, policies, and operations of central banks. It investigates the design, implementation, and effects of monetary policy, financial stability frameworks, and the regulation of the banking system. Key areas of study include interest rate determination, reserve requirements, open market operations, macroprudential policy, and the central bank's role as a lender of last resort and currency issuer. Its significance lies in analyzing how central banks influence macroeconomic outcomes such as inflation, employment, and economic growth, while also ensuring the stability and resilience of the financial system.