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As noted earlier, a change in the exchange rate can, in the short run, affect the demand for and supply of commodities, and the competitiveness of US agriculture. When the US dollar strengthens or gains in value, it causes importers to pay more for the US dollar to buy US commodities.
Kamada and Takagawa (2005) estimate the exchange-rate effects for the growth rate of multilateral, aggregate imports in real terms in terms of the growth rates of real GDP, of the real exchange rate, and of future exports; the estimation period is from 1994 to 2000.