If the supply of a country’s currency increases the value of the currency decreases in relation to other currencies and more money is required to buy the foreign exchanges.
The transaction of a currency takes place in the foreign exchange market. The supply of a currency depends on the ups and downs of the market. In the market large financial institutions and banks trade with money.
The supply and demand of foreign exchange depends on lots of factors. They are:
Whatever the exchange rate may be the aim of world economy is to maintain equilibrium. The foreign exchange market is considered to be in equilibrium when the deposits of all the currencies provide equal rate of return that was expected. The Basic Equilibrium condition depends on interest rate parity. The interest rate parity condition is achieved when the anticipated returns on deposits of any two currencies are same when evaluated in the same currency. This essentially means that the assets are valued as equals. The potential foreign currency holders perceive all of them as equally desirable assets.