, Volume 45, Issue 2, pp 817-829
Date: 15 Aug 2012

Re-examining the “twin deficits” hypothesis: evidence from Australia

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Abstract

This paper re-examines the relationship between fiscal imbalances and net foreign borrowing. A general analytical approach is first developed which suggests that, other things equal, a rise (fall) in any advanced economy’s fiscal deficit should be fully matched by a rise (fall) in its net foreign borrowing, in accordance with the so-called twin deficits hypothesis. In the case of Australia, one of the world’s largest foreign borrower economies for its size, empirical estimation yields the novel result that Australia’s consolidated budget imbalance and its foreign borrowing were approximately twinned on the basis of quarterly data for 1983–2009, when Australia’s exchange rate floated and international capital mobility was high. This result is consistent with the conceptual framework and suggests that fiscal policy is likely to be ineffective as an instrument for influencing the real economy.