We are required to give the informations needed to calculate a real exchange rate.
1. Informations needed to calculate a real exchange rate are nominal exchange rate, domestic price in home currency, and foreign price in foreign currency.
Real exchange rate = (Nominal exchange rate × Domestic price level) ÷ foreign price level
2. A higher real exchange rate implies that the domestic currency is depreciating.
Therefore, real exchange rate depends on nominal exchange rate and price
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