The document discusses credit control methods used by central banks to achieve objectives like price stability and economic growth. It describes quantitative methods like adjusting the bank rate, open market operations, cash reserve ratios and liquidity ratios. Qualitative methods include regulating consumer credit, changing loan requirements and moral persuasion. Quantitative methods control overall credit while qualitative targets specific uses. Choosing methods depends on their directness and ability to influence creditors versus debtors. Effectiveness can be limited by an unorganized banking system and lack of cooperation.