Consider two exchange rates X/Y and Z/Y . (For example EUR/USD and JP Y /USD.)...
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Finance
Consider two exchange rates X/Y and Z/Y . (For example EUR/USD and JP Y /USD.) They both follow perfectly correlated geometric Brownian motions with parameters (1, 1) and (2, 2). Does the cross-exchange rate X/Z (for example EUR/JP Y ) also follows a geometric Brownian motion?
(a) Yes (b) No
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