The increase in US interest rates relative to the British interest rate would cause the Swiss demand for dollars to increase and the dollar will appreciate against the Swiss franc.
When the interest rates of the US increases relative to that of the Britain, investors would earn a higher rate of return relative to that of Britain. As a result, investors would prefer to invest in the US.
When there is an increase in the demand for the US dollars relative to the Swiss franc, the US dollars would appreciate.
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