Concept of Money, Financial System and the European Central Bank

Concept of Money

Money is a medium of exchange that arose to solve the problems of barter, in which goods were exchanged directly for other goods. Barter required a double coincidence of wants, which made the exchange of goods and services difficult.

Characteristics of Money

• Generally accepted
• Divisible
• Transportable
• Stable value

Functions of Money

• Medium of exchange: used as a payment for goods and services.
• Unit of account: used to measure the value of goods and debts.
• Store of value: maintains its purchasing power over time.

The Gold Standard

Under the gold standard, the value of a country's currency was fixed in relation to a quantity of gold. The monetary base was adjusted according to the balance of trade: when exports exceeded imports, gold reserves increased and the money supply grew; when imports exceeded exports, reserves decreased and the money supply contracted.

Today, money is not backed by gold. Central banks act as trustees of the currency, and money is accepted because of its general acceptance and the trust placed in the issuing institution.

Financial System

The financial system is made up of financial intermediaries: entities that channel savings toward investments, funds, and activities, and distribute surpluses. Banks obtain a profit from the difference between the interest they charge on active operations (loans) and the interest they pay on passive operations (deposits).

Types of Financial Institutions

• Commercial banks: private banks that accept deposits and grant credit.
• Savings banks: non-profit entities whose surpluses benefit society.
• Other financial institutions: intermediaries that mediate between lenders and borrowers.

Financial Assets

Financial assets include fixed-income and variable-income instruments, with short-term and long-term maturities. Fixed-income assets pay a predetermined interest, while variable-income assets carry risk and depend on market conditions.

The Eurozone Banking System

Since 1999, the countries of the euro area have transferred the control of monetary policy to the European Central Bank (ECB), which together with the national central banks forms the European System of Central Banks (ESCB). The ESCB is responsible for defining and carrying out monetary policy, managing exchange rate operations, holding and managing official reserves, and promoting the smooth operation of payment systems. In Spain, the Bank of Spain, as a member of the ESCB, performs these functions within the European framework.