银行就是无本生意？银行可不是印钞厂，背后工作原理是这样的

Core Viewpoint - Banks are essential institutions that manage risks and ensure the stability of the monetary system, operating under a framework that requires them to generate income while managing various financial risks [1][3][10]. Group 1: Bank Operations and Risks - Banks play a crucial role in maintaining monetary stability and are not merely profit-making entities; they also bear risks associated with their operations [3][10]. - Banks face liquidity risks, which can arise when depositors withdraw funds beyond a certain threshold, potentially impacting the bank's operations [7][10]. - To mitigate risks, banks implement procedures for large cash withdrawals, requiring prior appointments for significant amounts, which can lead to customer dissatisfaction [8][10]. Group 2: Sources of Bank Funding - The primary sources of funds for banks include deposits, borrowing from the central bank, and issuing various types of bonds [14][18]. - Deposits from individuals and institutions are a significant funding source, providing banks with a stable inflow of capital [14][16]. - In 2024, the total issuance of bonds in China is projected to reach approximately 79.75 trillion [16]. Group 3: Bank Profitability - Banks generate income primarily through interest on loans, which is a result of the difference between the interest paid on deposits and the interest charged on loans [23][27]. - The volume of loans and the number of borrowers significantly contribute to the bank's overall interest income, allowing banks to profit from a large customer base [27][29]. - Banks also invest deposits into various business ventures, further enhancing their revenue streams [27][29].