RBA hikes interest rates to an 18-year high, warning inflation will hurt for another year

The Reserve Bank of Australia has increased the cash rate to 4.85% from 4.6%, marking the highest level since the global financial crisis of late 2008. This is the fifth interest rate hike this year, totaling 1.25 percentage points since February. RBA Governor Michele Bullock stated that she is uncertain about the next move. She emphasized the bank's effort to balance curbing inflation while avoiding a recession.

The latest increase will add approximately A$120 per month to the repayments on a $731,000 mortgage, assuming lenders pass on the increase in full. The five rate hikes this year will add about $600 per month to average repayments. The decision to raise rates was not straightforward, as the RBA board was divided, with six members voting in favor and three voting against.

Inflation forecasts have been significantly revised upwards, with inflation now expected to remain above 3% for most of 2027, returning to the 2-3% target range only at the end of 2027. Unemployment is also anticipated to rise, reaching 5.1% by the end of 2028. The latest inflation figures confirm that annual headline inflation and underlying inflation remain well above the RBA's target of 2-3%.

Factors driving inflation include higher global oil prices due to the Middle East conflict, domestic inflation pressures in non-tradable goods and services, and the impact of rapid investment in artificial intelligence and data centers. Higher interest rates can dampen household spending and business investment, easing domestic inflation pressures, but they cannot directly reduce global oil prices.

The RBA aims to prevent inflation from becoming entrenched by raising interest rates, but excessively high rate hikes could weaken growth and increase unemployment. The economy is already slowing, with household spending stalled and housing prices falling. Another rate hike remains possible, but it is not inevitable, as differing views exist within the RBA's board about the need for further increases.