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Monetary policy implementation and uncovered interest parity - empirical evidence from Oceania

Alfred V. Guender, Bevan Cook

The close integration of Australian and New Zealand financial markets and the similarity of the monetary policy regimes provide the perfect backdrop for testing the empirical relevance of uncovered interest rate parity (UIP) in Oceania. We find that changes in the bilateral exchange rate have become more sensitive to the short-term interest differential over time. Most important, after the introduction of the Official Cash Rate regime in New Zealand, the responsiveness of the exchange rate has accelerated to such an extent that it is incompatible with UIP. Evidence on UIP over longer horizons is mixed with a 10-year horizon providing the strongest support for the theory since 1990.
Guender, Alfred and Bevan Cook (2011). ‘Monetary policy implementation and uncovered interest parity: Empirical evidence from Oceania’. New Zealand Economic Papers, Taylor and Francis Journals, Volume 45(3), Pages 209-229, DOI: