20 years: Research & banking
January covers the roles of a Central Bank; how it controls the currency, how it maintains adequate foreign exchange reserves, and how it acts as a lender of last resort.
January covers the roles of a Central Bank; how it controls the currency, how it maintains adequate foreign exchange reserves, and how it acts as a lender of last resort.
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10 mins 9 secs
Central banks, also known as ‘banks of banks’, reserve banks or central monetary authorities – of a nation or, as in the case of the Eurozone, a currency bloc – control currencies through printing and coining; monitor and control money supply and inflation (largely through setting interest rates); hold foreign reserves; act as bank regulators; and act as lenders of last resort.
Key learning objectives:
Explain central banks’ clearing and lender of last resort functions
Identify the principal functions of central banks
Learn how central banks control currencies and influence inflation
Learn how interest rates influence foreign exchange reserves
Understand the functions that central banks carry out as regulators
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Central banks control currencies via printing and coining legal tender, or cash. Cash printed is in the form of promissory notes, or ‘promises to pay’. It is known as fiat currency. Fiat currency holds no intrinsic monetary value; its value is derived from the fact that it is backed by the government and is deemed valuable by mutual parties as a means of exchange.
By controlling the supply and demand of money in an economy, central banks influence inflation. Printing money to increase money supply leads to currency devaluation and price inflation. Managing inflation can also be done via interest-rate policy. Raising interest rates to counter inflation reduces demand and the amount of currency in circulation. Cutting interest rates increases demand for a currency hence raises the supply of currency in circulation.
Raising interest rates increases demand for a currency as an investment. A central bank looking to increase the purchasing power of its currency may raise interest rates not only to counter inflation but also strengthen the value of its currency and bolster its foreign exchange reserves.
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