Exchange rate changes have a direct regulatory effect on a country's import and export trade. Under certain conditions, by devaluing the local currency, that is, letting the exchange rate rise, it will promote exports and restrict imports; On the other hand, the appreciation of the domestic currency, that is, the decline of the exchange rate, plays a role in restricting exports and increasing imports.
Extended data:
The exchange rate will change because of interest rates, inflation, national politics and national economies. The exchange rate is determined by the foreign exchange market. The foreign exchange market is open to different types of buyers and sellers to conduct extensive and continuous currency transactions (foreign exchange transactions are conducted 24 hours a day except weekends, that is, from 8: 15 GMT on Sunday to 22:00 GMT on Friday).
Spot exchange rate refers to the current exchange rate, and forward exchange rate refers to the exchange rate quoted and traded on the same day, but paid on a specific date in the future). The fluctuation of a country's foreign exchange market will have an impact on import and export trade, economic structure and production layout. Exchange rate is the most important adjusting lever in international trade. A falling exchange rate can promote exports and curb imports.
Baidu encyclopedia-exchange rate
National Bureau of Statistics-Annual Data