This paper seeks to examine the efficiency of the Australian foreign exchange market by using methods of cointegration and spectral analysis. Uncovered interest rate differentials for five countries namely the US, UK, Japan, Malaysia and Singapore are examined with Australia as the 'home' country. The data covers the post-float period, 1984.1-2000.12. In contrast to previous findings, the cointegrating results confirm the presence of financial integration between Australia and the countries under study. However, the empirical results indicate that the restrictions of the hypothesis of uncovered interest parity are rejected. The spectral densities for the interest rate differentials suggest the absence of systematic cyclical fluctuations confirming market efficiency.
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Paper provided by Macquarie University, Department of Economics in its series Research Papers with number
0210.
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