This paper compares two competing approaches to model foreign exchange market participants' behavior: statistical learning and fitness learning. These learning mechanisms are applied to a set of predictors: chartist and fundamentalist rules. We examine which of the learning approaches is best in...

The decline of the euro against the dollar during 1999-2000 was mostly unrelated to observable news about the underlying fundamentals. This corroborates a general finding from the empirical literature testing the traditional exchange rate models, i.e. that exchange rate movements are...

In this paper it is shown that relatively simple models are capable of generating exchange rate movements that, at least in the short run, are largely disconnected from their fundamental values. The essential ingredient of such models is the hypothesis that economic agents use different...