Economics – Exchange rates | e-Consult

Terms of Trade (ToT): The terms of trade represent the ratio of a country's export prices to its import prices. An improvement in the ToT means a country can export more for the same amount of imports, or import less for the same amount of exports. A deterioration in the ToT means the opposite.

Impact on Trade-Weighted Exchange Rate:

• Improvement in ToT: An improvement in a country's terms of trade generally leads to an increase in the demand for its exports. This increased demand increases the value of its exports, which in turn increases the trade balance (exports minus imports). This positive trade balance contributes to a higher trade-weighted exchange rate, making the currency stronger.
• Deterioration in ToT: Conversely, a deterioration in a country's terms of trade reduces the demand for its exports. This leads to a negative trade balance, which contributes to a lower trade-weighted exchange rate, making the currency weaker.

Example:

Consider Country X, which primarily exports agricultural products. Suppose a global disease reduces the supply of wheat, causing the price of wheat to rise significantly. This improves Country X's terms of trade because it can now export wheat at a higher price while still importing relatively the same amount of other goods. The increased export revenue strengthens Country X's trade balance, leading to an increase in the demand for its currency. As a result, the trade-weighted exchange rate of Country X relative to other currencies would likely increase, making its currency stronger.