bank

A banker or bank is a financial institution that primary activity is to act as a payment agent for customers, and to borrow and lend money.
The first modern bank was founded in Italy in Genoa in 1406, its name was Banco di San Giorgio (Bank of St. George).

Many other financial activities were added over time. For example banks are important players in financial markets and offer financial services such as investment funds. In some countries such as Germany, banks are the primary owners of industrial corporations while in other countries such as the United States banks are prohibited from owning non-financial companies. In Japan, banks are usually the nexus of cross share holding entity known as zaibatsu. In France "Bancassurance" is highly present, as most banks offer insurance services (and now real estate services) to their clients.Banks act as payment agents by conducting checking or current accounts for customers, paying cheques drawn by customers on the bank, and collecting cheques deposited to customers' current accounts. Banks also enable customer payments via other payment methods such as telegraphic transfer, EFTPOS, and ATM.

Banks borrow money by accepting funds deposited on current account, accepting term deposits and by issuing debt securities such as banknotes and bonds. Banks lend money by making advances to customers on current account, by making instalment loans, and by investing in marketable debt securities and other forms of lending.

Banks provide almost all payment services, and a bank account is considered indispensable by most businesses, individuals and governments. Non-banks that provide payment services such as remittance companies are not normally considered an adequate substitute for having a bank account.

Banks borrow most funds borrowed from households and non-financial businesses, and lend most funds lent to households and non-financial businesses, but non-bank lenders provide a significant and in many cases adequate substitute for bank loans, and money market funds, cash management trusts and other non-bank financial institutions in many cases provide an adequate substitute to banks for lending savings to.

The definition of a bank varies from country to country.
Under English law, a bank is defined as a person who carries on the business of banking, which is specified as:

conducting current accounts for his customers paying cheques drawn on him, and collecting cheques for his customers. In most English common law jurisdictions there is a Bills of Exchange Act that codifies the law in relation to negotiable instruments, including cheques, and this Act contains a statutory definition of the term banker: banker includes a body of persons, whether incorporated or not, who carry on the business of banking' . Although this definition seems circular, it is actually functional, because it ensures that the legal basis for bank transactions such as cheques do not depend on how the bank is organised or regulated.

The business of banking is in many English common law countries not defined by statute but by common law, the definition above. In other English common law jurisdictions there are statutory definitions of the business of banking or banking business. When looking at these definitions it is important to keep in mind that they are defining the business of banking for the purposes of the legislation, and not necessarily in general. In particular, most of the definitions are from legislation that has the purposes of entry regulating and supervising banks rather than regulating the actual business of banking. However, in many cases the statutory definition closely mirrors the common law one. Examples of statutory definitions:

"banking business" means the business of receiving money on current or deposit account, paying and collecting cheques drawn by or paid in by customers, the making of advances to customers, and includes such other business as the Authority may prescribe for the purposes of this Act; (Banking Act (Singapore), ). "banking business" means the business of either or both of the following: receiving from the general public money on current, deposit, savings or other similar account repayable on demand or within less than [3 months] ... or with a period of call or notice of less than that period; paying or collecting cheques drawn by or paid in by customers Since the advent of EFTPOS (Electronic Funds Transfer at Point Of Sale), direct credit, direct debit and internet banking, the cheque has lost its primacy in most banking systems as a payment instrument. This has lead legal theorists to suggest that the cheque based definition should be broadened to include financial institutions that conduct current accounts for customers and enable customers to pay and be paid by third parties, even if they do not pay and collect cheques.The economic functions of banks include:

issue of money, in the form of banknotes and current accounts subject to cheque or payment at the customer's order. These claims on banks can act as money because they are negotiable and/or repayable on demand, and hence valued at par and effectively transferable by mere delivery in the case of banknotes, or by drawing a cheque, delivering it to the payee to bank or cash. netting and settlement of payments -- banks act both as collection agent and paying agents for customers, and participate in inter-bank clearing and settlement systems to collect, present, be presented with, and pay payment instruments.

This enables banks to economise on reserves held for settlement of payments, since inward and outward payments offset each other. It also enables payment flows between geographical areas to offset, reducing the cost of settling payments between geographical areas. credit intermediation -- banks borrow and lend back-to-back on their own account as middle men credit quality improvement -- banks lend money to ordinary commercial and personal borrowers (ordinary credit quality), but are high quality borrowers.

The improvement comes from diversification of the bank's assets and the bank's own capital which provides a buffer to absorb losses without defaulting on its own obligations. However, since banknotes and deposits are generally unsecured, if the bank gets into difficulty and pledges assets as security to try to get the funding it needs to continue to operate, this puts the note holders and depositors in an economically subordinated position. maturity transformation -- banks borrow more on demand debt and short term debt, but provide more long term loans. Bank can do this because they can aggregate issues (e.g. accepting deposits and issuing banknotes) and redemptions (e.g. withdrawals and redemptions of banknotes), maintain reserves of cash, invest in marketable securities that can be readily converted to cash if needed, and raise replacement funding as needed from various sources (e.g. wholesale cash markets and securities markets) because they have a high and more well known credit quality than most other borrowers.

Types of banksBanks' activities can be divided into retail banking, dealing directly with individuals and small businesses; business banking, providing services to mid-market business; corporate banking, directed at large business entities; private banking, providing wealth management services to High Net Worth Individuals and families; and investment banking, relating to activities on the financial markets. Most banks are profit-making, private enterprises. However, some are owned by government, or are non-profits.
Central banks are normally government owned banks, often charged with quasi-regulatory responsibilities, e.g. supervising commercial banks, or controlling the cash interest rate. They generally provide liquidity to the banking system and act as Lender of last resort in event of a crisis.