The multiscale relationship between exchange rates and fundamentals differentials: Empirical evidence from Scandinavia

This paper investigates the extent to which macroeconomic fundamentals explain movements in the Swedish Krona against the Danish Krone and the Norwegian Krone exchange rates; three currencies of neighboring countries that are main trade partners and with long-term economic similarities. Exchange rates and fundamentals are decomposed into wavelet scales to gauge the explanatory power of the monetary model at different frequencies. There is a significant relationship between interest rate, inflation, and to a lesser extent the stock of money and output differentials and in-sample exchange rates movements at horizons of eight months and above. Wavelet decomposition uncovers the time scale aspect of exchange rate determination, and suggests that the monetary model is still a useful framework at medium and long horizons.