Rogoff suggested in 1996 that the dollar-yen real exchange rate represented a 'canonical' case of a trend in the equilibrium real exchange rate. The implied speed of adjustment of the dollar-yen real exchange rate is found to be substantially faster, with half-life shocks of less than 2 years,...

Two different approaches intend to resolve the 'puzzling' slow convergence to purchasing power parity (PPP) reported in the literature [see Rogoff (1996), Journal of Economic Literature, Vol. 34.] On the one hand, there are models that consider a non-linear adjustment of real exchange rate to...