Suppose the inflation rate in country A is 4%, the inflation rate in country B is 3% and the exchange rate, expressed as S(B/A), depreciated by 2%. According to the real exchange rate, which of the following is true?
The competitiveness of Country A has improved by about 1%.
The competitiveness of Country B has improved by about 1%.
The competitiveness of Country A has improved by about 3%.
The competitiveness of Country B has improved by about 3%.
None of the other answers.
Assume Country A is USA
Country B is UK
Assume S(B/A):=0.8Pound/USD
Inflation rate in Country A(USA) is 4% and inflation rate in country B(UK) is 3%
After one year : S(B/A) depreciated by 2%
This means actual exchange rate after one year =0.8*(1-0.02)Pound/USD
0.784 Pound/USD
The exchange rate should be :
0.8*1.03 Pound per 1.04USD
((0.8*1.03)/1.04 )Pound /USD
0.792308 Pound /USD
This means that Pound has appreciated by 1%
You need to pay less Pound to buy USD
Competiveness of Country B has improved.
Exchange rate has depreciated by 2% , whereas it should have depreciated by 1%
The competitiveness of Country B has improved by about 1%
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