Lecture 11 foreign exchange market
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Lecture 11 Foreign Exchange Market. Foreign Exchange Rate : It is the price of one currency in terms of another currency. For example, if the exchange rate of taka in terms of US dollar is 80 taka then it implies that $1 is equivalent to 80 taka or we need 80 taka to buy $1. .

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Lecture 11 Foreign Exchange Market

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Lecture 11 foreign exchange market

Lecture 11Foreign Exchange Market


Lecture 11 foreign exchange market

  • Foreign Exchange Rate: It is the price of one currency in terms of another currency. For example, if the exchange rate of taka in terms of US dollar is 80 taka then it implies that $1 is equivalent to 80 taka or we need 80 taka to buy $1.


Determination of exchange rate

Determination of Exchange Rate

  • The exchange rate between domestic currency and foreign currency is determined by the supply and demand of foreign currency. In the figure the equilibrium price of dollar in terms of taka is $1= 80 tk. and the total amount of dollar in the economy is $20 billion.

  • The demand curve of foreign currency like US dollar shows how demand of dollar changes with the price of dollar. The demand curve of dollar is downward sloping because if the price of dollar falls then people will demand more dollar. The main demand of dollar comes from the importers.

  • The supply curve of dollar shows how the supply of dollar changes with the price of dollar. The supply curve of dollar is upward sloping because if the price of dollar increases then people will increase the supply of dollar. For BD main suppliers of dollar are exporters and migrants.


Lecture 11 foreign exchange market

  • Depreciation of Currency: Depreciation of local currency implies that there is a fall in value of the local currency in terms of foreign currency. If taka is depreciated against dollar then this implies that the value of taka is decreased. For example: Suppose the exchange rate of taka in terms of dollar was $1=80 taka. Now there is a depreciation of taka and the new exchange rate is $1=85 taka. So we need more taka to buy same amount of dollar as before.

  • If there is an increase in demand of dollar then there will a depreciation of taka


Lecture 11 foreign exchange market

  • Appreciation of Currency: Appreciation of local currency implies that there is an increase in value of the local currency in terms of foreign currency. If taka is appreciated against dollar then this implies that the value of taka has increased. For example: Suppose the exchange rate of taka against dollar was $1=80 taka. Now there is an appreciation of taka and the new exchange rate is $1=75 taka. So we need less taka to buy same amount of dollar as before.

  • If there is an increase in supply of dollar then there will an appreciation of taka


Different types of exchange rate regime

Different types of Exchange Rate Regime

  • Floating Exchange Rate Regime: In this regime exchange rate is determined in the market that means by the supply and demand of foreign currency. Govt has no influence in the foreign exchange market.

  • Exchange rate is determined by the intersection of demand and supply of foreign currency.


Lecture 11 foreign exchange market

  • Fixed Exchange Rate Regime: In this regime exchange rate is determined by the govt. not by the market demand and supply. So govt. fixes a rate at which the foreign currency will be transacted. For example: the govt. can fix the exchange rate at $1= 85 taka which is higher than the equilibrium exchange rate $1= 80 taka ( determined by the market).


Govt can influence the foreign exchange market by devaluation and revaluation

Govt. can influence the foreign exchange market by devaluation and revaluation

Devaluation: The govt. can reduce the value ( devalue ) of the local currency so that a unit of the domestic currency can buy fewer units of foreign currencies than before.

Revaluation: The govt. can increase the value of the local currency so that a unit of the domestic currency can buy more units of foreign currencies than before.


Lecture 11 foreign exchange market

  • Managed Floating Exchange Rate Regime: It is in between flexible and floating exchange rate regime. Here the exchange rate is determined by the market demand and supply but govt. has some control over the market that means govt. will intervene the market if there is a high fluctuation in the exchange rate. In this system govt. determines a range of values of foreign exchange rate and do not intervene in the market if the exchange rate is within this range. But it will intervene the market by changing the supply of foreign currency if the exchange rate lies outside the range. For example: suppose the govt. has decided the maximum value of exchange rate of US dollar will be $1=85 tk and minimum is $1= 75 tk. So the range of exchange rate is $1=75 tk to 85 tk. If the exchange rate falls below $1=75 tk then central bank will decrease the supply of US dollar ( so that the price of dollar rises above 75 tk) . On the other hand if the exchange rate rises above $1=85 tkthen central bank will increase the supply of US dollar ( so that the price of dollar falls below 85 tk)


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